LC (n = 70) | LM (n = 129) | P value | |
---|---|---|---|
Age (years) | 68.5 ± 8.15 | 64.6 ± 10.7 | 0.004 |
Male (years) | 69.8 ± 6.56 | 65.3 ± 9.9 | |
Female (years) | 66.3 ± 10.1 | 63.1 ± 12.2 | |
Sex (male/female) | 44/26 | 87/42 | 0.515 |
History of smoking | 37 (52.9) | 49 (38) | 0.043 |
Index tumor location | 0.003 | ||
Colon | 41 (58.6) | 47 (36.4) | |
Rectum | 29 (41.4) | 82 (63.6) | |
Index tumor stage | < 0.001 | ||
Stages I–II | 53 (75.7) | 29 (22.5) | |
Stages III–IV | 17 (24.3) | 100 (77.5) | |
Chronicity of SPNs | 0.004 | ||
Synchronous | 18 (25.7) | 13 (10.1) | |
Metachronous | 52 (74.3) | 116 (89.9) | |
Histopathology of SPNs | 129 (100) | ++N/A | |
Metastatic | |||
Adenocarcinoma | 55 (78.6) | ||
Squamous cell carcinoma | 14 (20) | ||
Small cell carcinoma | 1 (1.4) |