Table 1.
Baseline characteristics of patients (N = 155)
| Clinicopathological Variables | All (N = 155) | Normal Weight (N= 63) | Overweight (N = 62) | Obese (N = 30) | P |
|---|---|---|---|---|---|
| Age, years | |||||
| Median (range) | 57 (18 to 86) | 53 (18 to 82) | 59 (20 to 86) | 59 (23 to 80) | .07 |
| Gender | |||||
| Female | 65 (42%) | 31 (49%) | 22 (35%) | 12 (40%) | |
| Male | 90 (58%) | 32 (51%) | 40 (65%) | 18 (60%) | .29 |
| Race | |||||
| Asian | 21 (14%) | 11 (17%) | 8 (13%) | 2 (7%) | |
| Black | 4 (3%) | 3 (5%) | 1 (2%) | 0 (0%) | |
| Hispanic or Latino | 1 (1%) | 1 (2%) | 0 (0%) | 0 (0%) | |
| White | 129 (83%) | 48 (76%) | 53 (85%) | 28 (93%) | .46 |
| Alcohol | |||||
| Never | 47 (30%) | 16 (25%) | 19 (31%) | 12 (40%) | |
| Former | 10 (6%) | 5 (8%) | 2 (3%) | 3 (10%) | |
| Current | 98 (63%) | 42 (67%) | 41 (66%) | 15 (50%) | .34 |
| Smoking | |||||
| Never | 65 (42%) | 23 (37%) | 28 (45%) | 14 (47%) | |
| Former | 48 (31%) | 20 (32%) | 17 (27%) | 11 (37%) | |
| Current | 42 (27%) | 20 (32%) | 17 (27%) | 5 (17%) | .54 |
| Diabetes mellitus | |||||
| No | 144 (93%) | 60 (95%) | 59 (95%) | 25 (83%) | |
| Yes | 11 (7%) | 3 (5%) | 3 (5%) | 5 (17%) | .10 |
| Pre-diagnosis Weight Loss | |||||
| No | 94 (61%) | 36 (57%) | 38 (61%) | 20 (67%) | |
| Yes | 44 (28%) | 20 (32%) | 18 (29%) | 6 (20%) | .57 |
| Unknown | 17 (11%) | 7 (11%) | 6 (10%) | 4 (13%) | .85 |
| T stage | |||||
| T1 | 109 (70%) | 45 (71%) | 43 (69%) | 21 (70%) | |
| T2 | 46 (30%) | 18 (29%) | 19 (31%) | 9 (30%) | .97 |
| Tumor Thickness, cm | |||||
| Median (range) | .65 (.05 to 3.1) | .6 (.1 to 2.5) | .7 (.05 to 1.9) | .73 (.1 to 3.1) | .40 |
| Tumor Grade | |||||
| 1 | 39 (25%) | 16 (25%) | 18 (29%) | 5 (17%) | |
| 2 | 103 (66%) | 43 (68%) | 39 (63%) | 21 (70%) | |
| 3 | 10 (6%) | 3 (5%) | 4 (6%) | 3 (10%) | .67 |
| Missing data | 3 (2%) | 1 (2%) | 1 (2%) | 1 (3%) | .61 |
| Perineural Invasion | |||||
| No | 73 (47%) | 26 (41%) | 31 (50%) | 16 (53%) | |
| Yes | 62 (40%) | 29 (46%) | 22 (35%) | 11 (37%) | .43 |
| Missing data | 20 (13%) | 8 (13%) | 9 (15%) | 3 (10%) | .91 |
| Vascular Invasion | |||||
| No | 111 (72%) | 41 (65%) | 48 (77%) | 22 (73%) | |
| Yes | 24 (15%) | 14 (22%) | 5 (8%) | 5 (17%) | .10 |
| Missing data | 20 (13%) | 8 (13%) | 9 (15%) | 3 (10%) | .91 |
| Lymph Node Involvement | |||||
| No | 100 (65%) | 40 (64%) | 41 (66%) | 19 (63%) | |
| Yes | 55 (36%) | 23 (37%) | 21 (34%) | 11 (37%) | .95 |
| Final Surgical Margins | |||||
| Negative | 145 (94%) | 59 (94%) | 57 (92%) | 29 (97%) | |
| Positive | 10 (6%) | 4 (6%) | 5 (8%) | 1 (3%) | .84 |
| Postoperative Chemotherapy | |||||
| No | 146 (94%) | 58 (92%) | 59 (95%) | 29 (97%) | |
| Yes | 9 (6%) | 5 (8%) | 3 (5%) | 1 (3%) | .74 |
| Postoperative Radiation | |||||
| No | 96 (62%) | 38 (60%) | 39 (63%) | 19 (63%) | |
| Yes | 59 (38%) | 25 (70%) | 23 (37%) | 11 (37%) | .95 |