Year of Publication | 2000 (n = 84) | 2006 (n = 113) |
---|---|---|
Continuous data | 65 (77.4%) | 81 (71.7%) |
   ANOVA/ANCOVA | 50 (76.9%) | 56 (69.1%) |
   Multiple regression method* | 7 (10.8%) | 19 (23.5%) |
   Stratified analysis | 1 (1.5%) | 0 |
   Other†| 6 (9.2%) | 6 (7.4%) |
   Not mentioned | 1 (1.5%) | 0 |
Binary data | 13 (15.5%) | 19 (16.8%) |
   Logistic regression | 6 (46.1%) | 11 (57.9%) |
   Stratified analysis (Cochrane-Mantel-Haenszel test) | 5 (38.5%) | 5 (26.3%) |
   Other‡ | 2 (15.4%) | 3 (15.8%) |
Ordinal data | 1 (1.2%) | 3 (2.6%) |
   Stratified analysis (Cochrane-Mantel-Haenszel test) | 1 (100%) | 1 (33.3%) |
   Nonlinear mixed effect model | 0 | 1 (33.3%) |
   Ordinal logistic regression | 0 | 1 (33.3%) |
Time to event data | 5 (5.9%) | 10 (8.9%) |
   Cox proportional hazard | 5 (100%) | 9 (90.0%) |
   Stratified log rank test | 0 | 1 (10.0%) |