Health expenditures among high-risk patients after gastric bypass and matched controls

Archives of Surgery

Volumn 147, Issue 7, 2012, Pages 633-640

  Maciejewski, Matthew L ^a,b   Livingston, Edward H ^c,d   Smith, Valerie A ^a   Kahwati, Leila C ^a   Henderson, William G ^e,f   Arterburn, David E ^g  

^a DURHAM VA MEDICAL CENTER   (United States)

^b DUKE UNIVERSITY SCHOOL OF MEDICINE   (United States)

^c UNIVERSITY OF TEXAS SOUTHWESTERN MEDICAL CENTER   (United States)

^d UNIVERSITY OF TEXAS AT ARLINGTON   (United States)

^e VETERANS AFFAIRS MEDICAL CENTER   (United States)

^f UNIVERSITY OF COLORADO   (United States)

^g UNIVERSITY OF WASHINGTON   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

ADULT; AGED; ARTICLE; BARIATRIC SURGERY; COHORT ANALYSIS; CONTROLLED STUDY; FEMALE; HEALTH CARE COST; HIGH RISK PATIENT; HUMAN; MAJOR CLINICAL STUDY; MALE; OUTPATIENT CARE; PRIORITY JOURNAL; PROPENSITY SCORE; RETROSPECTIVE STUDY; STOMACH BYPASS;

ADULT; AGED; ALGORITHMS; BARIATRIC SURGERY; CASE-CONTROL STUDIES; CHI-SQUARE DISTRIBUTION; COMORBIDITY; HEALTH EXPENDITURES; HOSPITALS, VETERANS; HUMANS; MALE; MIDDLE AGED; OBESITY, MORBID; PROPENSITY SCORE; RETROSPECTIVE STUDIES; RISK; UNITED STATES;

EID: 84863942896     PISSN: 00040010     EISSN: 15383644     Source Type: Journal    
DOI: 10.1001/archsurg.2012.818     Document Type: Article

References (38)

1. Sturm R. Increases in morbid obesity in the USA: 2000-2005. Public Health. 2007;121(7):492-496.
2. Ogden CL, Carroll MD, Curtin LR, McDowell MA, Tabak CJ, Flegal KM. Prevalence of overweight and obesity in the United States, 1999-2004. JAMA. 2006;295(13):1549-1555.
3. US Department of Veterans Affairs. Management of obesity and overweight (OBE) (2006). http://www.healthquality.va.gov/obesity-clinical-practice- guideline.asp. Accessed February 21, 2011.
4. Livingston EH. The incidence of bariatric surgery has plateaued in the U.S. Am J Surg. 2010;200(3):378-385.
5. Maciejewski ML, Livingston EH, Smith VA, et al. Survival among high-risk patients after bariatric surgery. JAMA. 2011;305(23):2419-2426.
6. Fontaine KR, Redden DT, Wang C, Westfall AO, Allison DB. Years of life lost due to obesity. JAMA. 2003;289(2):187-193.
7. Finkelstein EA, Trogdon JG, Cohen JW, Dietz W. Annual medical spending attributable to obesity: payer- and service-specific estimates. Health Aff (Millwood). 2009;28(5):w822-w831. doi:10.1377/hlthaff.28.5.w822.
8. Arterburn DE, Maciejewski ML, Tsevat J. Impact of morbid obesity on medical expenditures in adults. Int J Obes (Lond). 2005;29(3):334-339.
9. Bell JF, Zimmerman FJ, Arterburn DE, Maciejewski ML. Health-care expenditures of overweight and obese males and females in the Medical Expenditures Panel survey by age cohort. Obesity (Silver Spring). 2011;19(1):228-232.
10. Christou NV, Sampalis JS, Liberman M, et al. Surgery decreases long-term mortality, morbidity, and health care use in morbidly obese patients. Ann Surg. 2004;240(3):416-424.
11. Cremieux PY, Buchwald H, Shikora SA, Ghosh A, Yang HE, Buessing M. A study on the economic impact of bariatric surgery. Am J Manag Care. 2008;14(9):589-596.
12. Keating CL, Dixon JB, Moodie ML, Peeters A, Playfair J, O'Brien PE. Cost-efficacy of surgically induced weight loss for the management of type 2 diabetes: a randomized controlled trial. Diabetes Care. 2009;32(4):580-584.
13. Sampalis JS, Liberman M, Auger S, Christou NV. The impact of weight reduction surgery on health-care costs in morbidly obese patients. Obes Surg. 2004;14(7):939-947.
14. Hoerger TJ, Zhang P, Segel JE, Kahn HS, Barker LE, Couper S. Cost-effectiveness of bariatric surgery for severely obese adults with diabetes. Diabetes Care. 2010;33(9):1933-1939.
15. Finkelstein EA, Allaire BT, Burgess SM, Hale BC. Financial implications of coverage for laparoscopic adjustable gastric banding. Surg Obes Relat Dis. 2011;7(3):295-303.
16. Ikramuddin S, Klingman D, Swan T,Minshall ME. Cost-effectiveness of Roux-en-Y gastric bypass in type 2 diabetes patients. Am J Manag Care. 2009;15(9):607-615.
17. Campbell J, McGarry LA, Shikora SA, Hale BC, Lee JT, Weinstein MC. Cost-effectiveness of laparoscopic gastric banding and bypass for morbid obesity. Am J Manag Care. 2010;16(7):e174-e187.
18. Salem L, Devlin A, Sullivan SD, Flum DR. Cost-effectiveness analysis of laparoscopic gastric bypass, adjustable gastric banding, and nonoperative weight loss interventions. Surg Obes Relat Dis. 2008;4(1):26-32.
19. Livingston EH, Arterburn D, Schifftner TL, Henderson WG, DePalma RG. National Surgical Quality Improvement Program analysis of bariatric operations: modifiable risk factors contribute to bariatric surgical adverse outcomes. J Am Coll Surg. 2006;203(5):625-633.
20. Arterburn D, Livingston EH, Schifftner T, Kahwati LC, Henderson WG, Maciejewski ML. Predictors of long-term mortality after bariatric surgery performed in Veterans Affairs medical centers. Arch Surg. 2009;144(10):914-920.
21. Das SR, Kinsinger LS, Yancy WS Jr, et al. Obesity prevalence among veterans at Veterans Affairs medical facilities. Am J Prev Med. 2005;28(3):291-294.
22. Wagner TH, Chen S, Barnett PG. Using average cost methods to estimate encounter-level costs for medical-surgical stays in the VA. Med Care Res Rev. 2003;60(3)(suppl):15S-36S.
23. Chapko MK, Liu CF, Perkins M, Li YF, Fortney JC, Maciejewski ML. Equivalence of two healthcare costing methods: bottom-up and top-down. Health Econ. 2009;18(10):1188-1201.
24. Austin PC. Balance diagnostics for comparing the distribution of baseline covariates between treatment groups in propensity-score matched samples. Stat Med. 2009;28(25):3083-3107.
25. Austin PC. Statistical criteria for selecting the optimal number of untreated subjects matched to each treated subject when using many-to-one matching on the propensity score. Am J Epidemiol. 2010;172(9):1092-1097.
26. Parsons LS. Reducing bias in a propensity score matched-pair sample using greedy matching techniques [paper 214]. In: SUGI 26 Proceedings. Cary, NC: SAS Institute Inc; 2001.
27. Stukel TA, Fisher ES, Wennberg DE, Alter DA, Gottlieb DJ, Vermeulen MJ. Analysis of observational studies in the presence of treatment selection bias: effects of invasive cardiac management on AMI survival using propensity score and instrumental variable methods. JAMA. 2007;297(3):278-285.
28. Maciejewski ML, Liu CF, Derleth A, McDonell M, Anderson S, Fihn SD. The performance of administrative and self-reported measures for risk adjustment of Veterans Affairs expenditures. Health Serv Res. 2005;40(3):887-904.
29. Maciejewski ML, Liu CF, Fihn SD. Performance of comorbidity, risk adjustment, and functional status measures in expenditure prediction for patients with diabetes. Diabetes Care. 2009;32(1):75-80.
30. Fan VS, Maciejewski ML, Liu CF, McDonell M, Fihn SD. Comparison of risk adjustment measures based on self-report, administrative data and pharmacy records to predict clinical outcomes. Health Serv Outcomes Res Methodol. 2006;6(1-2):21-36.
31. Maciejewski ML, Smith VA, Livingston EH, et al. Health care utilization and expenditure changes associated with bariatric surgery. Med Care. 2010;48(11):989-998.
32. Manning WG, Basu A, Mullahy J. Generalized modeling approaches to risk adjustment of skewed outcomes data. J Health Econ. 2005;24(3):465-488.
33. Berndt ER, Bir A, Busch SH, Frank RG, Normand SL. The medical treatment of depression, 1991-1996: productive inefficiency, expected outcome variations, and price indexes. J Health Econ. 2002;21(3):373-396.
34. Finkelstein EA, Brown DS. Return on investment for bariatric surgery. Am J Manag Care. 2008;14(9):561-562.
35. Makary MA, Clarke JM, Shore AD, et al. Medication utilization and annual health care costs in patients with type 2 diabetes mellitus before and after bariatric surgery. Arch Surg. 2010;145(8):726-731.
36. Zingmond DS, McGory ML, Ko CY. Hospitalization before and after gastric bypass surgery. JAMA. 2005;294(15):1918-1924.
37. Cook TD, Steiner PM. Case matching and the reduction of selection bias in quasi-experiments: the relative importance of pretest measures of outcome, of unreliable measurement, and of mode of data analysis. Psychol Methods. 2010;15(1):56-68.
38. Flum DR. Administrative data analyses in bariatric surgery: limits of the technique. Surg Obes Relat Dis. 2006;2(2):78-81.