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Lymphatic invasion and survival in patients with lung squamous cell carcinoma.
| Variable | No. of patients (%) | P-value | Hazard ratio | 95% Confidence interval |
|---|---|---|---|---|
| Lymphatic invasion | <0.001 | |||
| ly0 | 43 (41.7) | 1.854 | 1.390–2.474 | |
| ly1-3 | 60 (58.3) | |||
| Lymphatic invasion | <0.001 | |||
| ly0-1 | 84 (91.6) | 3.298 | 1.827–5.952 | |
| ly2-3 | 19 (18.4) | |||
| Lymphatic invasion | <0.001 | |||
| ly0-2 | 96 (93.2) | 4.752 | 2.115–10.677 | |
| ly3 | 7 (6.8) |
