Univariate prognostic analysis of parameters(T1–T2)
| Parameters | 5 year survival | HR (95% CI) |
|---|---|---|
| Tumour size | ||
| 0–2 cm | 65% | – |
| 2–4 cm | 57% | 1.42 (1.06 to 1.91) |
| 4–7 cm | 48% | 1.86 (1.38 to 2.50) |
| >7 cm | 38% | 2.78 (1.93 to 3.99) |
| Visceral pleural involvement | ||
| Yes | 53% | 1.07 (0.88 to 1.30) |
| No | 54% | |
| Involvement of main bronchus >2 cm from carina | ||
| Yes | 48% | 1.21 (0.80 to 1.84) |
| No | 53% | |
| Pneumonitis-atelectasis <entire lung | ||
| Yes | 57% | 0.97 (0.79 to 1.18) |
| No | 52% |