From: Characteristics and prognosis of primary pulmonary osteosarcoma: a pooled analysis
Characteristics | OS | CSS | ||
---|---|---|---|---|
HR (95% CI) | P value | HR (95% CI) | P value | |
Size (cm) | ||||
 ≤ 7 | Ref |  | Ref |  |
 > 7 | 2.98 (1.21–7.34) | 0.018 | 3.08 (1.09–8.67) | 0.033 |
Microscopic findings of osteoid | ||||
 Found | Ref |  | Ref |  |
 No/NA | 2.11 (1.01–4.42) | 0.048 | 1.68 (0.74–3.79) | 0.215 |
Surgery | ||||
 None | Ref |  | Ref |  |
 Yes | 0.20 (0.09–0.45) | < 0.001 | 0.14 (0.05–0.36) | < 0.001 |
Chemotherapy | ||||
 None | Ref |  | Ref |  |
 Yes | 0.57 (0.21–1.56) | 0.276 | 0.74 (0.26–2.08) | 0.571 |