Table 4 Summary of information available to contribute to meta-analysis
| Â | Longitudinal MA | Time-to-event MA | Association MA |
|---|---|---|---|
Coefficients reported (%) | 45 (69.2) | 46 (70.8) | 51 (78.5) |
 Precision reported (%) | 44 (67.7) | 45 (69.2) | 50 (76.9) |
 Standard Errors reported (%) | 22 (33.8) | 23 (35.4) | 25 (38.5) |
Confidence Intervals (CI) reported (%) | 30 (46.2) | 32 (49.2) | 36 (55.4) |
Significance level reported (%) | 57 (87.7) | 57 (87.7) | 57 (87.7) |
Sample size reported (%) | 64 (98.5) | 64 (98.5) | 64 (98.5) |
MA possible given reported information (%) | |||
 All identified studies (N = 65) | 44 (67.7) | 45 (69.2) | 50 (76.9) |
 Studies using joint models to account for dropout (N = 22) | 18 (81.8) | 14 (63.6) | 15 (68.2) |
 Studies using joint models to include time varying covariate in time-to-event sub-model (N = 4) | 2 (50.0) | 3 (75.0) | 3 (75.0) |