Table 1 Univariate logistic regression analysis of clinicopathologic factors and tumor size associated with regional lymph node metastasis in colon cancer
Parameter | Positive lymph nodes (N = 52) | Negative lymph nodes (N = 54) | P value |
|---|---|---|---|
Age (years) | 62.46 ± 11.68 | 63.39 ± 12.93 | 0.711 |
Sex | Â | Â | 0.123 |
 M | 24 (46.15%) | 33 (61.11%) |  |
 F | 28 (53.85%) | 21 (38.89%) |  |
Differentiation | Â | Â | 0.028 |
 Well | 2 (3.85%) | 5 (9.26%) |  |
 Moderately | 31 (59.61%) | 41 (75.93%) |  |
 Poorly | 19 (36.54%) | 8 (14.81%) |  |
Location | Â | Â | 0.415 |
 Left colon cancer | 20 (38.46%) | 25 (46.30%) |  |
 Right colon cancer | 32 (61.54%) | 29 (53.70%) |  |
Vascular carcinoma embolus invasion | Â | Â | 0.379 |
 Positive | 10 (19.23%) | 7 (12.96%) |  |
 Negative | 42 (80.77%) | 47 (87.04%) |  |
Neural infiltration | Â | Â | 0.712 |
 Positive | 7 (6.38%) | 6 (8.51%) |  |
 Negative | 45 (93.62%) | 48 (91.49%) |  |
T staging | Â | Â | 0.005 |
 T1 | 0 | 4 (7.4%) |  |
 T2 | 1 (1.92%) | 10 (18.52%) |  |
 T3 | 47 (90.38%) | 37 (68.52%) |  |
 T4a | 4 (7.70%) | 3 (5.56%) |  |
Tumor size | |||
 Tlen (cm) | 6.42 ± 2.17 | 4.25 ± 1.61 | < 0.001 |
 Tdia (cm) | 2.29 ± 1.09 | 1.67 ± 0.76 | 0.001 |
 Tare (cm2) | 15.73 ± 6.44 | 8.76 ± 4.84 | < 0.001 |
 Tvol (cm3) | 65.70 ± 56.67 | 23.96 ± 16.44 | < 0.001 |