Table 5.
Subgroup OS analysis for stage I NSCLC patients in the overweight group and other groups, stratified by smoking status and T stage
| Prognostic factor | OS rate (%) | Univariate analysis | ||
|---|---|---|---|---|
| 3-year | 5-year | P value (log-rank) | P value (Breslow) | |
| Non-smoking | 0.001 | <0.001 | ||
| Overweight | 98.2 ± 1.0 | 92.1 ± 2.2 | ||
| Others | 89.1 ± 2.7 | 79.4 ± 3.6 | ||
| Smoking | 0.083 | 0.024 | ||
| Overweight | 89.9 ± 2.8 | 81.2 ± 3.7 | ||
| Others | 78.8 ± 3.1 | 70.7 ± 3.5 | ||
| T1a stage | 0.024 | 0.004 | ||
| Overweight | 100.0 ± 0 | 97.0 ± 2.1 | ||
| Others | 85.0 ± 4.9 | 81.1 ± 5.4 | ||
| T1b stage | 0.051 | 0.040 | ||
| Overweight | 94.8 ± 2.9 | 87.0 ± 4.6 | ||
| Others | 82.4 ± 5.3 | 76.3 ± 6.0 | ||
| T2a stage | 0.020 | 0.005 | ||
| Overweight | 92.4 ± 2.1 | 83.5 ± 3.1 | ||
| Others | 83.2 ± 2.6 | 72.5 ± 3.2 | ||
The data of survival rates are expressed as mean ± standard error