Variables | No. of cases | NOK expression | ||
---|---|---|---|---|
Positive (%) | Negative (%) | P-value* | ||
Sex | ||||
Male | 154 | 114 (74.0) | 40 (26.0) | 0.371 |
Female | 37 | 30 (81.1) | 7 (18.9) | |
Age | ||||
<60 | 90 | 70 (77.8) | 20 (22.2) | 0.470 |
≥60 | 101 | 74 (73.3) | 27 (26.7) | |
Smoking history | ||||
Smoker | 133 | 100 | 33 | 0.618 |
Non-smoker | 58 | 42 | 16 | |
Differentiation | ||||
Well + moderately | 140 | 100 (71.4) | 40 (28.6) | 0.035 |
Poorly | 51 | 44 (86.3) | 7 (13.7) | |
Histological type | ||||
Squamous | 98 | 71 (72.4) | 27 (27.6) | 0.332 |
Adenocarcinoma | 93 | 73 (78.5) | 20 (21.5) | |
pT factor | ||||
T1–2 | 148 | 110 (74.3) | 38 (25.7) | 0.525 |
T3–4 | 43 | 34 (79.1) | 9 (20.0) | |
pN factor | ||||
N0 | 88 | 58 (65.9) | 30 (34.1) | 0.005 |
N1–2 | 103 | 86 (83.5) | 17 (16.5) | |
pTNM stage | ||||
I-II | 128 | 90 (70.3) | 38 (29.7) | 0.020 |
III-IV | 63 | 54 (85.7) | 9 (14.3) | |
Ki-67 labeling index | ||||
<31 | 94 | 57 (60.6) | 37 (39.4) | <0.001 |
≥31 | 97 | 89 (91.8) | 8 (8.2) |