Criteria | Quality of reporting | ||
---|---|---|---|
Not reported | Inadequate | Adequate | |
Sample size estimation | 67 (88) | 6 (7.9) | 3 (4.0) |
Follow-up time | 22 (29) | 2 (2.6) | 52 (68) |
Plotting of survival curves | 11 (14) | 64 (84) | 1 (1.3) |
Comparison of survival curves | 31 (41) | 0 | 45 (59) |
Test of regression underlying assumptions | 39 (51) | 32 (42) | 5 (6.6) |
Reporting measures of effect | 2 (2.6) | 1 (1.3) | 73 (96) |
Analysis of hierarchical clustering (N = 37) | 28 (76) | 0 | 9 (24) |