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Volumn 37, Issue 11, 2009, Pages 2939-2945

Immortal time bias in critical care research: Application of time-varying cox regression for observational cohort studies

Author keywords

Cohort studies; Delirium; Intensive care unit; Monte Carlo method; Observation; Research design; Statistical bias

Indexed keywords

FENTANYL; LORAZEPAM; MORPHINE; PROPOFOL;

EID: 73449123357     PISSN: 00903493     EISSN: 15300293     Source Type: Journal    
DOI: 10.1097/CCM.0b013e3181b7fbbb     Document Type: Article
Times cited : (140)

References (32)
  • 2
    • 4444283796 scopus 로고    scopus 로고
    • Time-dependent bias was common in survival analyses published in leading clinical journals
    • van Walraven C, Davis D, Forster AJ, et al: Time-dependent bias was common in survival analyses published in leading clinical journals. J Clin Epidemiol 2004; 57:672-682
    • (2004) J Clin Epidemiol , vol.57 , pp. 672-682
    • Van Walraven, C.1    Davis, D.2    Forster, A.J.3
  • 3
    • 0041865230 scopus 로고    scopus 로고
    • Effectiveness of inhaled corticoste-roids in chronic obstructive pulmonary disease: Immortal time bias in observational studies
    • Suissa S: Effectiveness of inhaled corticoste-roids in chronic obstructive pulmonary disease: Immortal time bias in observational studies. Am J Respir Crit Care Med 2003; 168:49-53
    • (2003) Am J Respir Crit Care Med , vol.168 , pp. 49-53
    • Suissa, S.1
  • 4
    • 0030317304 scopus 로고    scopus 로고
    • Survivor treatment selection bias in observational studies: Examples from the AIDS literature
    • Glesby MJ, Hoover DR: Survivor treatment selection bias in observational studies: Examples from the AIDS literature. Ann Intern Med 1996; 124:999-1005
    • (1996) Ann Intern Med , vol.124 , pp. 999-1005
    • Glesby, M.J.1    Hoover, D.R.2
  • 5
    • 33750800563 scopus 로고    scopus 로고
    • Quantifying the impact of survivor treatment bias in observational studies
    • Austin PC, Mamdani MM, van Walraven C, et al: Quantifying the impact of survivor treatment bias in observational studies. J Eval Clin Pract 2006; 12:601-612
    • (2006) J Eval Clin Pract , vol.12 , pp. 601-612
    • Austin, P.C.1    Mamdani, M.M.2    Van Walraven, C.3
  • 6
    • 1842867052 scopus 로고    scopus 로고
    • Delirium as a predictor of mortality in mechanically ventilated patients in the intensive care unit
    • Ely EW, Shintani A, Truman B, et al: Delirium as a predictor of mortality in mechanically ventilated patients in the intensive care unit. JAMA 2004; 291:1753-1762
    • (2004) JAMA , vol.291 , pp. 1753-1762
    • Ely, E.W.1    Shintani, A.2    Truman, B.3
  • 8
    • 0035814368 scopus 로고    scopus 로고
    • Delirium in mechanically ventilated patients: Validity and reliability of the confusion assessment method for the intensive care unit (CAM-ICU)
    • Ely EW, Inouye SK, Bernard GR, et al: Delirium in mechanically ventilated patients: Validity and reliability of the confusion assessment method for the intensive care unit (CAM-ICU). JAMA 2001; 286:2703-2710
    • (2001) JAMA , vol.286 , pp. 2703-2710
    • Ely, E.W.1    Inouye, S.K.2    Bernard, G.R.3
  • 9
    • 0035888093 scopus 로고    scopus 로고
    • Event history graphs for censored survival data
    • Dubin JA, Muller HG, Wang JL: Event history graphs for censored survival data. Stat Med 2001; 20:2951-2964
    • (2001) Stat Med , vol.20 , pp. 2951-2964
    • Dubin, J.A.1    Muller, H.G.2    Wang, J.L.3
  • 10
    • 0021343213 scopus 로고
    • A non-parametric graphical representation of the relationship between survival and the occurrence of an event: Application to responder versus non-responder bias
    • Simon R, Makuch RW: A non-parametric graphical representation of the relationship between survival and the occurrence of an event: Application to responder versus non-responder bias. Stat Med 1984; 3:35-44
    • (1984) Stat Med , vol.3 , pp. 35-44
    • Simon, R.1    Makuch, R.W.2
  • 11
    • 84950449668 scopus 로고
    • Evaluation of response-time data involving transient states-Illustration using heart-transplant data
    • Mantel N, Byar DP: Evaluation of response-time data involving transient states-Illustration using heart-transplant data. J Am Stat Assoc 1974; 69:81-86
    • (1974) J Am Stat Assoc , vol.69 , pp. 81-86
    • Mantel, N.1    Byar, D.P.2
  • 12
    • 0030305457 scopus 로고    scopus 로고
    • A language for data analysis and graphics
    • Ihaka R, Gentleman R: R: A language for data analysis and graphics. J Comput Graph Stat 1996; 5:299-314
    • (1996) J Comput Graph Stat , vol.5 , pp. 299-314
    • Ihaka, R.1    Gentleman, R.2
  • 13
    • 34547697350 scopus 로고    scopus 로고
    • An economic evaluation of prolonged mechanical ventilation
    • Cox CE, Carson SS, Govert JA, et al: An economic evaluation of prolonged mechanical ventilation. Crit Care Med 2007; 35: 1918-1927
    • (2007) Crit Care Med , vol.35 , pp. 1918-1927
    • Cox, C.E.1    Carson, S.S.2    Govert, J.A.3
  • 14
    • 38849120536 scopus 로고    scopus 로고
    • Potential value of regionalized intensive care for mechanically ventilated medical patients
    • Kahn JM, Linde-Zwirble WT, Wunsch H, et al: Potential value of regionalized intensive care for mechanically ventilated medical patients. Am J Respir Crit Care Med 2008; 177:285-291
    • (2008) Am J Respir Crit Care Med , vol.177 , pp. 285-291
    • Kahn, J.M.1    Linde-Zwirble, W.T.2    Wunsch, H.3
  • 15
    • 0027124495 scopus 로고
    • The conformation of fluid membranes: Monte Carlo simulations
    • Kroll DM, Gompper G: The conformation of fluid membranes: Monte Carlo simulations. Science 1992; 255:968-971
    • (1992) Science , vol.255 , pp. 968-971
    • Kroll, D.M.1    Gompper, G.2
  • 16
    • 34447558140 scopus 로고    scopus 로고
    • Estimating risk of cancer associated with radiation exposure from 64-slice computed tomography coronary angiography
    • Einstein AJ, Henzlova MJ, Rajagopalan S: Estimating risk of cancer associated with radiation exposure from 64-slice computed tomography coronary angiography. JAMA 2007; 298:317-323
    • (2007) JAMA , vol.298 , pp. 317-323
    • Einstein, A.J.1    Henzlova, M.J.2    Rajagopalan, S.3
  • 17
    • 38749107750 scopus 로고    scopus 로고
    • Violence-related mortality in Iraq from 2002 to 2006
    • Alkhuzai AH, Ahmad IJ, Hweel MJ, et al: Violence-related mortality in Iraq from 2002 to 2006. N Engl J Med 2008; 358:484-493
    • N Engl J Med , vol.2008 , Issue.358 , pp. 484-493
    • Alkhuzai, A.H.1    Ahmad, I.J.2    Hweel, M.J.3
  • 18
    • 33749050564 scopus 로고    scopus 로고
    • Do Oscar winners live longer than less successful peers? A reanalysis of the evidence
    • Sylvestre MP, Huszti E, Hanley JA: Do Oscar winners live longer than less successful peers? A reanalysis of the evidence. Ann Intern Med 2006; 145:361-363
    • (2006) Ann Intern Med , vol.145 , pp. 361-363
    • Sylvestre, M.P.1    Huszti, E.2    Hanley, J.A.3
  • 19
    • 34547132300 scopus 로고    scopus 로고
    • Comment on "incidence, risk factors and consequences of ICU delirium" by Ouimet et al.
    • Girard TD, Shintani AK, Ely EW: Comment on "Incidence, risk factors and consequences of ICU delirium" by Ouimet et al. Intensive Care Med 2007; 33:1479-1480
    • (2007) Intensive Care Med , vol.33 , pp. 1479-1480
    • Girard, T.D.1    Shintani, A.K.2    Ely, E.W.3
  • 20
    • 8544281694 scopus 로고    scopus 로고
    • The impact of delirium on the survival of mechanically ventilated patients
    • Lin SM, Liu CY, Wang CH, et al: The impact of delirium on the survival of mechanically ventilated patients. Crit Care Med 2004; 32: 2254-2259
    • (2004) Crit Care Med , vol.32 , pp. 2254-2259
    • Lin, S.M.1    Liu, C.Y.2    Wang, C.H.3
  • 21
    • 33846296223 scopus 로고    scopus 로고
    • Incidence, risk factors and consequences of ICU delirium
    • Ouimet S, Kavanagh BP, Gottfried SB, et al: Incidence, risk factors and consequences of ICU delirium. Intensive Care Med 2007; 33: 66-73
    • (2007) Intensive Care Med , vol.33 , pp. 66-73
    • Ouimet, S.1    Kavanagh, B.P.2    Gottfried, S.B.3
  • 22
    • 0346993417 scopus 로고    scopus 로고
    • Incidence, etiology, and outcome of nosocomial pneumonia in ICU patients requiring percutaneous tracheotomy for mechanical ventilation
    • Rello J, Lorente C, Diaz E, et al: Incidence, etiology, and outcome of nosocomial pneumonia in ICU patients requiring percutaneous tracheotomy for mechanical ventilation. Chest 2003; 124:2239-2243
    • (2003) Chest , vol.124 , pp. 2239-2243
    • Rello, J.1    Lorente, C.2    Diaz, E.3
  • 23
    • 13844309838 scopus 로고    scopus 로고
    • Cytomeg-alovirus infection in critically ill patients: Associated factors and consequences
    • Jaber S, Chanques G, Borry J, et al: Cytomeg-alovirus infection in critically ill patients: Associated factors and consequences. Chest 2005; 127:233-241
    • (2005) Chest , vol.127 , pp. 233-241
    • Jaber, S.1    Chanques, G.2    Borry, J.3
  • 24
    • 42949115468 scopus 로고    scopus 로고
    • Acute kidney injury criteria predict outcomes of critically ill patients
    • Barrantes F, Tian J, Vazquez R, et al: Acute kidney injury criteria predict outcomes of critically ill patients. Crit Care Med 2008; 36:1397-1403
    • (2008) Crit Care Med , vol.36 , pp. 1397-1403
    • Barrantes, F.1    Tian, J.2    Vazquez, R.3
  • 25
    • 12244306234 scopus 로고    scopus 로고
    • Halo-peridol use is associated with lower hospital mortality in mechanically ventilated patients
    • Milbrandt EB, Kersten A, Kong L, et al: Halo-peridol use is associated with lower hospital mortality in mechanically ventilated patients. Crit Care Med 2005; 33:226-229
    • (2005) Crit Care Med , vol.33 , pp. 226-229
    • Milbrandt, E.B.1    Kersten, A.2    Kong, L.3
  • 26
    • 42449139754 scopus 로고    scopus 로고
    • Early versus late intravenous insulin administration in critically ill patients
    • Honiden S, Schultz A, Im SA, et al: Early versus late intravenous insulin administration in critically ill patients. Intensive Care Med 2008; 34:881-887
    • (2008) Intensive Care Med , vol.34 , pp. 881-887
    • Honiden, S.1    Schultz, A.2    Im, S.A.3
  • 27
    • 13444258714 scopus 로고    scopus 로고
    • Outcome of mechanically ventilated patients who require a tracheostomy
    • Frutos-Vivar F, Esteban A, Apezteguia C, et al: Outcome of mechanically ventilated patients who require a tracheostomy. Crit Care Med 2005; 33:290-298
    • (2005) Crit Care Med , vol.33 , pp. 290-298
    • Frutos-Vivar, F.1    Esteban, A.2    Apezteguia, C.3
  • 28
    • 0000336139 scopus 로고
    • Regression models and life-tables
    • Cox DR: Regression models and life-tables. J R Stat Soc Ser B 1972; 34:187-220
    • (1972) J R Stat Soc ser B , vol.34 , pp. 187-220
    • Cox, D.R.1
  • 29
    • 84950420123 scopus 로고
    • Covariance analysis of heart-transplant survival data
    • Crowley J, Hu M: Covariance analysis of heart-transplant survival data. J Am Stat As-soc 1977; 72:27-36
    • (1977) J Am Stat As-soc , vol.72 , pp. 27-36
    • Crowley, J.1    Hu, M.2
  • 30
    • 27744507967 scopus 로고    scopus 로고
    • Illustrating the impact of a time-varying covariate with an extended Kaplan-Meier estimator
    • Snapinn SM, Jiang Q, Iglewicz B: Illustrating the impact of a time-varying covariate with an extended Kaplan-Meier estimator. Am Stat 2005; 59:301-307
    • (2005) Am Stat , vol.59 , pp. 301-307
    • Snapinn, S.M.1    Jiang, Q.2    Iglewicz, B.3
  • 31
    • 33947227921 scopus 로고    scopus 로고
    • Immortal time bias in observational studies of drug effects
    • Suissa S: Immortal time bias in observational studies of drug effects. Pharmacoepi-demiol Drug Saf 2007; 16:241-249
    • (2007) Pharmacoepi-demiol Drug Saf , vol.16 , pp. 241-249
    • Suissa, S.1
  • 32
    • 0028241340 scopus 로고
    • Nosocomial bloodstream infection in critically ill patients. Excess length of stay, extra costs, and attributable mortality
    • Pittet D, Tarara D, Wenzel RP: Nosocomial bloodstream infection in critically ill patients. Excess length of stay, extra costs, and attributable mortality. JAMA 1994; 271: 1598-1601
    • (1994) JAMA , vol.271 , pp. 1598-1601
    • Pittet, D.1    Tarara, D.2    Wenzel, R.P.3


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