Table 2 Method reporting in the included studies
Included studies | ||
|---|---|---|
n = 318 | % | |
Assessment of proportional hazards (PH) | ||
Yes | 127 | 40 |
No | 191 | 60 |
PH testing method used | ||
Log(−log) | 59 | 46 |
Schoenfeld residuals | 42 | 33 |
Log of time | 15 | 12 |
Graphical evaluation of KM curve | 10 | 8 |
Score process test | 1 | 1 |
Result of the PH testing state | 51 | 40 |
PH violation stated | 46 | 36 |
PH violation addressed in analysis | 41 | 89 |
Time axis division | 30 | 73 |
Time dependent coefficients | 7 | 17 |
stratified analysis | 4 | 10 |