Table 1 Patient characteristics
Factors | Oxaliplatin (−) (N = 95) | Oxaliplatin (+) (N = 95) | Total (N = 190) | P value | |
|---|---|---|---|---|---|
n (%) | n (%) | n (%) | |||
Sex | Male | 46 (48.4) | 52 (54.7) | 98 (51.6) | 0.3838 |
Female | 49 (51.6) | 43 (45.3) | 92 (48.4) | Â | |
Age (years) | < 70 | 71 (74.7) | 75 (78.9) | 146 (76.8) | 0.4915 |
≥70 | 24 (25.3) | 20 (21.1) | 44 (23.2) |  | |
CEA | <ULN | 63 (66.3) | 50 (52.6) | 113 (59.5) | 0.6105 |
≥ULN | 31 (32.6) | 20 (21.1) | 51 (26.8) |  | |
Unknown | 1 (1.1) | 25 (26.3) | 26 (13.7) | Â | |
Tumor location | Right side | 31 (32.6) | 33 (34.7) | 64 (33.7) | 0.7588 |
Left side | 64 (67.4) | 62 (65.3) | 126 (66.3) | Â | |
T stage | T1-T3 | 61 (64.2) | 51 (53.7) | 112 (58.9) | 0.1403 |
T4 | 34 (35.8) | 44 (46.3) | 78 (41.1) | Â | |
Tumor grade | por & muc | 4 (4.2) | 13 (13.7) | 17 (8.9) | 0.0222 |
tub | 91 (95.8) | 82 (86.3) | 173 (91.1) | Â | |
Lymphatic invasion | Negative | 29 (30.5) | 26 (27.4) | 55 (28.9) | 0.6313 |
Positive | 66 (69.5) | 69 (72.6) | 135 (71.1) | Â | |
Vascular invasion | Negative | 28 (29.5) | 23 (24.2) | 51 (26.8) | 0.4130 |
Positive | 67 (70.5) | 72 (75.8) | 139 (73.2) | Â | |
N stage | N1 | 39 (41.1) | 36 (37.9) | 75 (39.5) | 0.0940 |
| Â | N2 | 54 (56.8) | 50 (52.6) | 104 (54.7) | Â |
| Â | N3 | 2 (2.1) | 9 (9.5) | 11 (5.8) | Â |
Number of resected lymph nodes | < 12 | 5 (5.3) | 15 (15.8) | 20 (10.5) | 0.0181 |
≥12 | 90 (94.7) | 80 (84.2) | 170 (89.5) |  | |