Clinicopathological features of patients
| . | All cases (%) . | Cases with SOM (%) . | Non-SOM (%) . | P a . |
|---|---|---|---|---|
| Total . | 68 (100) . | 36 (100) . | 32 (100) . | . |
| Mean age (yr)+ SD | 58.3 ± 14.7 | 58.4 ± 15.9 | 58.1 ± 13.6 | 0.93 |
| Male sex—no. (%) | 35 (51) | 17 (47) | 18 (56) | 0.48 |
| Tobacco use ever—no. (%) | 43 (69)b | 22 (63) | 21 (78) | 0.27 |
| Stage | ||||
| CIS (stage 0) | 15 (22) | 7 (19) | 8 (25) | 0.77 |
| I and II | 33 (49) | 19 (53) | 14 (44) | |
| III and IV | 20 (29) | 10 (28) | 10 (31) | |
| Histological grade (for 53 invasive SCC) | ||||
| Well or moderately well differentiated | 49 (92) | 27 (96) | 22 (88) | 0.33 |
| Poorly differentiated | 4 (8) | 1 (4) | 3 (12) | |
| Mean follow-up time (months)± SD | 83 ± 80 | 64 ± 62 | 104 ± 93 | 0.04 |
| . | All cases (%) . | Cases with SOM (%) . | Non-SOM (%) . | P a . |
|---|---|---|---|---|
| Total . | 68 (100) . | 36 (100) . | 32 (100) . | . |
| Mean age (yr)+ SD | 58.3 ± 14.7 | 58.4 ± 15.9 | 58.1 ± 13.6 | 0.93 |
| Male sex—no. (%) | 35 (51) | 17 (47) | 18 (56) | 0.48 |
| Tobacco use ever—no. (%) | 43 (69)b | 22 (63) | 21 (78) | 0.27 |
| Stage | ||||
| CIS (stage 0) | 15 (22) | 7 (19) | 8 (25) | 0.77 |
| I and II | 33 (49) | 19 (53) | 14 (44) | |
| III and IV | 20 (29) | 10 (28) | 10 (31) | |
| Histological grade (for 53 invasive SCC) | ||||
| Well or moderately well differentiated | 49 (92) | 27 (96) | 22 (88) | 0.33 |
| Poorly differentiated | 4 (8) | 1 (4) | 3 (12) | |
| Mean follow-up time (months)± SD | 83 ± 80 | 64 ± 62 | 104 ± 93 | 0.04 |