PNI(+)(n = 47) | PNI(−)(n = 59) | P | |
---|---|---|---|
Age (year)a | 61.98 ± 10.898 | 64.22 ± 13.680 | 0.219 |
BMIa | 22.57 ± 2.465 | 22.49 ± 3.235 | 0.173 |
Sex (%)a | 0.880 | ||
Male | 28 (59.6) | 36 (61.0) | |
Female | 19 (40.4) | 23 (39.0) | |
Tumour diametera (cm) | 4.45 ± 1.364 | 4.86 ± 1.514 | 0.572 |
T stage(%)b | 0.466 | ||
T3 | 16 (30.0) | 24 (40.7) | |
T4a | 27 (37.5) | 33 (55.9) | |
T4b | 4 (8.5) | 2 (4.4) | |
N stage(%)b | 0.003 | ||
N0 | 10 (21.3) | 29 (49.2) | |
N1 | 20 (42.6) | 22 (32.3) | |
N2 | 17 (36.1) | 8 (13.5) | |
TNM stage(%)b | 0.012 | ||
IIA | 5 (10.6) | 13 (22.0) | |
IIB | 5 (10.6) | 15 (25.4) | |
IIIB | 19 (40.4) | 24 (40.7) | |
IIIC | 10 (21.3) | 4 (6.8) | |
IV | 8 (17.0) | 3 (5.0) | |
Vascular invasion (%)b | 0.000 | ||
No | 20 (42.6) | 56 (94.9) | |
Yes | 27 (57.4) | 3 (5.1) | |
Total number of lymph nodesa | 20.87 ± 11.301 | 22.05 ± 7.765 | 0.211 |
Number of positive lymph nodesa | 4.23 ± 6.005 | 1.54 ± 2.028 | 0.001 |
Primary tumour site | 0.728 | ||
Left colon | 23 (48.9) | 33 (55.9) | |
Right colon | 15 (31.0) | 15 (25.4) | |
Rectum | 9 (19.1) | 11 (18.6) |