Table 2. Univariate analysis of factors affecting the 5-year survival rate of pT1c33N0M0 NSCLC patients.
| Characteristics | N (%) | 5-year survival rate (%) | χ 2 | P |
|---|---|---|---|---|
| Gender | ||||
| Male | 169 (66.27%) | 56.24% | 0.123 | 0.784 |
| Female | 86 (33.73%) | 55.71% | ||
| Age (years) | ||||
| ≤60 | 85 (33.33%) | 58.74% | 0.127 | 0.790 |
| >60 | 170 (66.67%) | 52.58% | ||
| Smoking history | ||||
| Yes | 76 (29.80%) | 52.87% | 0.040 | 0.891 |
| No | 179 (70.20%) | 54.79% | ||
| Surgical site | ||||
| Right upper lung | 52 (20.39%) | 49.17% | 0.999 | |
| Right middle lung | 22 (8.63%) | 40.73% | ||
| Right lower lung | 32 (12.55%) | 56.77% | 0.067 | |
| Left upper lung | 97 (38.04%) | 53.28% | ||
| Left lower lung | 52 (20.39%) | 56.72% | ||
| Tumor max diameter | ||||
| ≤3 cm | 163 (63.92%) | 66.92% | 21.056 | <0.001 |
| >3 cm | 92 (36.08%) | 38.76% | ||
| T stage | ||||
| T1c stage | 153 (60.00%) | 66.39% | <0.001 | |
| T2 stage | 77 (30.20%) | 45.34% | 29.913 | |
| T3 stage | 25 (9.80%) | 10.48% | ||
| Pathological type | ||||
| Adenocarcinoma | 154 (60.39%) | 54.71% | 0.871 | |
| Squamous cell carcinoma | 79 (30.98%) | 52.33% | 0.276 | |
| Other | 22 (8.63%) | 68.87% | ||
| Preoperative comorbidities | ||||
| Yes | 52 (20.39%) | 40.58% | 0.029 | 0.877 |
| No | 203 (79.61%) | 57.82% | ||
| Lymph nodes | ||||
| 0–10 | 60 (23.53%) | 41.52% | 0.048 | |
| 11–16 | 89 (34.90%) | 56.73% | 6.068 | |
| >16 | 106 (41.57%) | 60.94% |