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Hazards ratio analysis in patients treated with combination therapy
| Case number | Model | Hazard ratio (95% CI) | P value |
|---|---|---|---|
| 510 | Unadjusted | 0.71 (0.45–1.11) | 0.131 |
| 296a | Cox hazard | 0.62 (0.40–0.98) | 0.043 |
| 258 | PS matching | 0.49 (0.29–0.82) | 0.006$ |
CI confidence interval, Cox hazard Cox’s proportional hazards model, PS propensity score
aComplete case number without missing values
$ P values were calculated using a log-rank test
