Table 4.
Kaplan–Meier test for analysis of the survival rate in our sample regarding the management plan.
| Means and medians for survival time | ||||||||
|---|---|---|---|---|---|---|---|---|
| Intervention | Meana | Median | ||||||
| Estimate | Std. error | 95% confidence interval | Estimate | Std. error | 95% confidence interval | |||
| Lower bound | Upper bound | Lower bound | Upper bound | |||||
| Conservative | 13.000 | 3.830 | 5.494 | 20.506 | 7.000 | — | — | — |
|
| ||||||||
| Thoracostomy | 40.404 | 6.541 | 27.584 | 53.224 | 30.000 | 15.173 | 0.261 | 59.739 |
|
| ||||||||
| Overall | 34.314 | 5.800 | 22.947 | 45.682 | 24.000 | 1.054 | 21.934 | 26.066 |
aEstimation is limited to the largest survival time if it is censored.