Table 1.
Clinical and pathologic characteristics of the included patients with colon cancer.
| LNM-negative | LNM-positive | P-value | ||
|---|---|---|---|---|
| (N = 98) | (N = 66) | |||
| Age, yr, mean (SD) | 66.8 (13.1) | 61.8 (13.6) | 0.021 | |
| Sex, n (%) | 0.777 | |||
| M | 48 (49.0) | 30 (45.5) | ||
| F | 50 (51.0) | 36 (54.5) | ||
| Race, n (%) | 0.075 | |||
| Asian | 7 (7.1) | 0 (0.0) | ||
| Black or African American | 23 (23.5) | 19 (28.8) | ||
| White | 68 (69.4) | 47 (71.2) | ||
| T stage, n (%) | ||||
| T0 | 1 (1.0) | 0 (0.0) | <0.001 | |
| T1 | 4 (4.1) | 1 (1.5) | ||
| T2 | 25 (25.5) | 2 (3.0) | ||
| T3 | 63 (64.3) | 53 (80.3) | ||
| T4 | 5 (5.1) | 10 (15.2) | ||
| N stage, n (%) | <0.001 | |||
| N0 | 98 (100.0) | 0 (0.0) | ||
| N1 | 0 (0.0) | 46 (69.7) | ||
| N2 | 0 (0.0) | 20 (30.3) | ||
| LI, n (%) | <0.001 | |||
| Yes | 11 (11.2) | 42 (63.6) | ||
| No | 79 (80.6) | 22 (33.3) | ||
| NA | 8 (8.2) | 2 (3.0) | ||
| PI, n (%) | ||||
| Yes | 12 (12.2) | 13 (19.7) | 0.208 | |
| No | 58 (59.2) | 32 (48.5) | ||
| NA | 28 (28.6) | 21 (31.8) | ||
| VI, n (%) | <0.001 | |||
| Yes | 13 (13.3) | 25 (37.9) | ||
| No | 76 (77.6) | 37 (56.1) | ||
| NA | 9 (9.2) | 4 (6.1) | ||
| AnyI, n (%) | ||||
| Yes | 23 (23.5) | 45 (68.2) | <0.001 | |
| No | 68 (69.4) | 20 (30.3) | ||
| NA | 7 (7.1) | 1 (1.5) | ||
SD, standard deviation; NA, not applicable; LI, lymphatic invasion; PI, perineural invasion; VI, venous invasion; AnyI, any feature of extramural tumor deposits.