Table 3 Survival time according to each factor considered for the Cox proportional hazards regression model, Curitiba-Brazil
Explanatory variables | N | Mean of survival time (days) | Standard deviation of survival time (days) | First quartile of survival time (Q1) | Second quartile of survival time (Q2) | Third quartile of survival time (Q3) | Maximum survival time |
|---|---|---|---|---|---|---|---|
Type of entry | |||||||
New case | 122 | 47.89 | 67.83 | 7.00 | 21.00 | 60.25 | 349 |
Relapse | 24 | 200.96 | 384.39 | 20.75 | 80.50 | 127.50 | 1688 |
TB/HIV coinfection | |||||||
No | 84 | 48.44 | 79.66 | 7.00 | 21.00 | 58.75 | 513 |
Yes | 62 | 106.39 | 248.89 | 9.25 | 36.50 | 100.50 | 1688 |
Alcoholism | |||||||
No | 90 | 70.40 | 123.24 | 9.25 | 27.00 | 87.50 | 1008 |
Yes | 50 | 78.92 | 246.31 | 7.25 | 23.50 | 49.75 | 1688 |
Gender | |||||||
Female | 32 | 69.72 | 114.64 | 7.75 | 21.00 | 65.75 | 513 |
Male | 114 | 73.98 | 188.55 | 8.00 | 25.00 | 81.00 | 1688 |
Clinical form | |||||||
Pulmonary | 106 | 77.01 | 199.48 | 7.25 | 23.50 | 77.00 | 1688 |
Extrapulmonary | 40 | 62.55 | 78.55 | 8.75 | 24.50 | 91.25 | 310 |