Interval estimates for the ratio and difference of two lognormal means

Statistics in Medicine

Volumn 25, Issue 23, 2006, Pages 4099-4113

  Chen, Yea Hung ^a   Zhou, Xiao Hua ^a,b  

^a UNIVERSITY OF WASHINGTON   (United States)

^b D Center of Excellence   (United States)

Author keywords

Confidence intervals; Difference of means; Lognormal; Ratio of means; Skewed

Indexed keywords

ALGORITHM; ARTICLE; COMPUTER SIMULATION; CONFIDENCE INTERVAL; EXPERIMENTAL DESIGN; HEALTH STATISTICS; INTERMETHOD COMPARISON; MEDICAL RESEARCH; NORMAL DISTRIBUTION; STATISTICAL MODEL; SYSTEMATIC ERROR;

COMPUTER SIMULATION; CONFIDENCE INTERVALS; DATA INTERPRETATION, STATISTICAL; DIABETES MELLITUS, TYPE 1; DIABETIC KETOACIDOSIS; HUMANS;

EID: 37849188511     PISSN: 02776715     EISSN: 10970258     Source Type: Journal    
DOI: 10.1002/sim.2504     Document Type: Article

References (11)

1. Krishnamoorthy K, Mathew T. Inferences on the means of lognormal distributions using generalized p-values and generalized confidence intervals. Journal of Statistical Planning and Inference 2003; 115:103-120.
2. Taylor DJ, Kupper LL, Muller KE. Improved approximate confidence intervals for the mean of a lognormal random variable. Statistics in Medicine 2002; 21:1443-1459.
3. Wu J, Wong ACM, Jiang G. Likelihood-based confidence intervals for a log-normal mean. Statistics in Medicine 2003; 22:1849-1860.
4. Zhou X-H, Tu W. Interval estimation for the ratio in means of log-normally distributed medical costs with zero values. Computational Statistics and Data Analysis 2000; 35:201-210.
5. Wu J, Jiang G, Wong ACM, Sun X. Likelihood analysis for the ratio of means of two independent log-normal distributions. Biometrics 2002; 58:463-469.
6. Barndorff-Nielsen OE. Inference on full and partial parameters, based on the standarized signed log-likelihood ratio. Biometrika 1986; 73:307-322.
7. Barndorff-Nielsen OE. Modified signed log likelihood ratio. Biometrika 1991; 78:557-563.
8. R Development Core Team. R: A language and environment for statistical computing. R Foundation for Statistical Computing, 2005.
9. Weerahandi S. Generalized confidence intervals. Journal of the American Statistical Association 1993; 88: 899-905.
10. Briggs A, Nixon R, Dixon S, Thompson S. Parametric modelling of cost data: some simulation evidence. Health Economics 2005; 14:421-428.
11. Javor KA, Kotsanos JG, McDonald RC, Baron AD, Kesterson JG, Tierny WM. Diabetic Ketoacidosis charges relative to medical charges of adult patients with type I diabetes. Diabetes Care 1997; 20:349-354.