Bias in frequently reported analyses of subfertility trials

Statistics in Medicine

Volumn 27, Issue 27, 2008, Pages 5605-5619

  Dias, Sofia ^a   McNamee, Roseanne ^a   Vail, Andy ^a  

^a UNIVERSITY OF MANCHESTER   (United Kingdom)

Author keywords

Beta geometric distribution; Bias; Subfertility

Indexed keywords

ADULT; ARTICLE; BIOMETRY; CHI SQUARE DISTRIBUTION; COMPARATIVE STUDY; COMPUTER SIMULATION; CONFIDENCE INTERVAL; EPIDEMIOLOGY; EVALUATION; FEMALE; FEMALE INFERTILITY; FERTILITY; HUMAN; METHODOLOGY; NEWBORN; PREGNANCY; PROBABILITY; RANDOMIZED CONTROLLED TRIAL; RISK; STATISTICAL ANALYSIS; TREATMENT OUTCOME;

ADULT; BIAS (EPIDEMIOLOGY); BIOMETRY; CHI-SQUARE DISTRIBUTION; COMPUTER SIMULATION; CONFIDENCE INTERVALS; DATA INTERPRETATION, STATISTICAL; FEMALE; FERTILITY; HUMANS; INFANT, NEWBORN; INFERTILITY, FEMALE; ODDS RATIO; PREGNANCY; PROBABILITY; RANDOMIZED CONTROLLED TRIALS AS TOPIC; TREATMENT OUTCOME;

EID: 58749113661     PISSN: 02776715     EISSN: 10970258     Source Type: Journal    
DOI: 10.1002/sim.3389     Document Type: Article

References (22)

1. Dias S, McNamee R, Vail A. Evidence of improving quality of reporting of randomized controlled trials in subfertility. Human Reproduction 2006; 21:2617-2627.
2. Vail A, Gardener E. Common statistical errors in the design and analysis of subfertility trials. Human Reproduction 2003; 18:1000-1004.
3. Ecochard R. Heterogeneity in fecundability studies: issues and modelling. Statistical Methods in Medical Research 2006; 15:141-160.
4. Yusuf S, Peto R, Lewis J, Collins R, Sleigh P. Beta blockade during and after myocardial infarction: an overview of the randomized trials. Progress in Cardiovascular Diseases 1985; 27:335-371.
5. Bradburn MJ, Deeks JJ, Berlin JA, Localio AR. Much ado about nothing: a comparison of the performance of meta-analytical methods with rare events. Statistics in Medicine 2007; 26:53-77.
6. Sweeting MJ, Sutton A, Lambert PC. What to add to nothing? Use and avoidance of continuity corrections in meta-analysis of sparse data. Statistics in Medicine 2004; 23:1351-1375.
7. Campbell I. Chi-squared and Fisher-Irwin tests for two-by-two tables with small sample recommendations. Statistics in Medicine 2007; 26:3661-3675. DOI: 10.1002/sim.2832.
8. Allegra A, Marino A, Coffaro F, Scaglione P, Sammartano F, Rizza G, Volpes A. GnRH antagonist-induced inhibition of the premature LH surge increases pregnancy rates in IUI-stimulated cycles. A prospective randomized trial. Human Reproduction 2007; 22:101-108.
9. Burton A, Altman DG, Royston P, Holder RL. The design of simulation studies in medical statistics. Statistics in Medicine 2006; 25:4279-4292. DOI: 10.1002/sim.2673.
10. Bongaarts J. A method for the estimation of fecundability. Demography 1975; 12:645-660.
11. Maruani P, Schwartz D. Sterility and fecundability estimation. Journal of Theoretical Biology 1983; 105:211-219.
12. Leridon HL, Spira A. Problems in measuring the effectiveness of infertility therapy. Fertility and Sterility 1984; 41:580-586.
13. Weinberg CR, Gladen BC. The Beta-geometric distribution applied to comparative fecundability studies. Biometrics 1986; 42:547-560.
14. Scheike TH, Jensen TK. A discrete survival model with random effects: an application to time to pregnancy. Biometrics 1997; 53:318-329.
15. Biggers JD. Fecundability. Annals of the New York Academy of Sciences 1988; 541:706-714.
16. Dunson DB, Zhou H. A Bayesian model for fecundability and sterility. Journal of the American Statistical Association 2000; 95:1054-1062.
17. Arcaini L, Bianchi S, Baglioni A, Marchini M, Tozzi L, Fedele L. Superovulation and intrauterine insemination vs. superovulation alone in the treatment of unexplained subfertility. The Journal of Reproductive Medicine 1996; 41:614-618.
18. Seif MMW, Edi-Osagie ECO, Farquhar C, Hooper L, Blake D, McGinlay P. Assisted hatching on assisted conception (IVF & ICSI). Cochrane Database of Systematic Reviews 2006; Issue 1; Art. No.: CD001894. DOI: 10.1002/14651858.CD001894.pub3.
19. Ecochard R, Clayton DG. Multi-level modelling of conception in artificial insemination by donor. Statistics in Medicine 1998; 17:1137-1156.
20. Ecochard R, Clayton DG. Multivariate parametric random effect regression models for fecundability studies. Biometrics 2000; 56:1023-1029.
21. Royston P, Ferreira A. A new approach to modelling daily probabilities of conception. Biometrics 1999; 55: 1005-1013.
22. Pelinck MJ, Vogel NEA, Arts EGJM, Simons AHM, Heineman MJ, Hoek A. Cumulative pregnancy rates after a maximum of nine cycles of modified natural cycle IVF and analysis of patient drop-out: a cohort study. Human Reproduction 2007; 22:2463-2470. DOI: 10.1093/humrep/dem164.