Table 1 Association of clinical variables and survivin staining with overall survival by the log-rank test
From: Nuclear survivin as a biomarker for non-small-cell lung cancer
Variable | Number of patients | Median survival (days) | 95% CI of median survival | P-value |
|---|---|---|---|---|
Age (years) | ||||
 <60 | 22 | 458 | (294, NR) | NS |
 ⩾60 | 26 | NR | (133, NR) | |
Sex | ||||
 Female | 18 | NR | (452, NR) | NS |
 Male | 28 | NR | (292, NR) | |
Grade | ||||
 I | 5 | NR | (NR, NR) | NS |
 II | 20 | 858 | (179, NR) | |
 III | 14 | 292 | (122, NR) | |
T-stage | ||||
 1 | 25 | NR | (NR, NR) | <.0001 |
 2 | 19 | 458 | (292, NR) | |
 3 | 0 | |||
 4 | 4 | 64 | (12, 204) | |
Node stage | ||||
 0 | 36 | NR | (452, NR) | NS |
 1 and 2 | 12 | 235 | (122, NR) | |
Nuclear survivin | ||||
 Neg | 40 | NR | (440, NR) | 0.0116 |
 Pos | 8 | 248 | (68, 458) | |
Cytoplasmic survivin | ||||
 Neg | 18 | 858 | (235, NR) | NS |
 Pos | 30 | 469 | (292, NR) |
