3.
Ib期上叶NSCLC Kaplan-Meier单因素分析
Univariate analyses of prognostic factors of stage Ib upper lobe non-small cell lung cancer (NSCLC)
| Factors | n | % | χ2 | P |
| Age (yr) | 18.584 | 0.008 | ||
| < 58 | 51 | 34.7% | ||
| 58-68 | 56 | 38.1% | ||
| > 68 | 40 | 27.2% | ||
| Sex | 1.225 | 0.268 | ||
| Female | 64 | 43.5% | ||
| Male | 83 | 56.5% | ||
| Histological type | 4.519 | 0.104 | ||
| Adenocarcinoma | 96 | 65.3% | ||
| Squamous | 37 | 25.2% | ||
| Adenosquamous | 14 | 9.5% | ||
| Grade of differentiation | 13.857 | 0.067 | ||
| Well | 74 | 50.3% | ||
| Moderately | 53 | 36.1% | ||
| Poorly | 13 | 8.8% | ||
| Unknown | 7 | 4.8% | ||
| Visceral pleura invasion | 0.228 | 0.633 | ||
| Present | 129 | 87.8% | ||
| Absent | 18 | 12.2% | ||
| Tumor size (cm) | 7.892 | 0.005 | ||
| ≤3 | 60 | 40.8% | ||
| 3.1-5 | 87 | 59.2% | ||
| Number of removed LN | 1.996 | 0.158 | ||
| < 7 | 112 | 76.2% | ||
| ≥7 | 35 | 23.8% | ||
| Number of removed MLN | 1.663 | 0.197 | ||
| < 4 | 106 | 72.1% | ||
| ≥4 | 41 | 27.9% | ||
| Number of removed SMLNS | 8.798 | 0.006 | ||
| < 2 | 55 | 37.4% | ||
| ≥2 | 92 | 62.6% |