Variable | n | DNM− (n = 37) | DNM+ (n = 13) | P value | |||
---|---|---|---|---|---|---|---|
Clinicopathological factors | |||||||
Age | >60 | 21 | 17 | (80.9 %) | 4 | (19.1 %) | 0.267 |
≦60 | 29 | 20 | (69.0 %) | 9 | (31.0 %) | ||
T classification | T1 | 34 | 28 | (82.4 %) | 6 | (17.6 %) | 0.055 |
T2 | 16 | 9 | (56.2 %) | 7 | (43.8 %) | ||
Differentiation | Well | 42 | 32 | (76.2 %) | 10 | (23.8 %) | 0.891 |
Moderate, Poor | 8 | 5 | (62.5 %) | 3 | (37.5 %) | ||
Depth of invasion | <4 mm | 35 | 28 | (80.0 %) | 7 | (20.0 %) | 0.963 |
≧4 mm | 15 | 9 | (60.0 %) | 6 | (40.0 %) | ||
Mode of invasion | Grade 1, 2 | 24 | 21 | (87.5 %) | 3 | (12.5 %) | 0.036* |
Grade 3, 4 | 26 | 16 | (61.5 %) | 10 | (38.5 %) | ||
Nest shape | A | 26 | 21 | (80.8 %) | 5 | (19.2 %) | 0.208 |
B | 24 | 16 | (66.7 %) | 8 | (33.3 %) | ||
Vascular invasion | Negative | 43 | 35 | (81.4 %) | 8 | (18.6 %) | 0.009* |
Positive | 7 | 2 | (28.6 %) | 5 | (71.4 %) | ||
Lymphatic invasion | Negative | 44 | 32 | (72.7 %) | 12 | (27.3 %) | 0.502 |
Positive | 6 | 5 | (83.4 %) | 1 | (16.6 %) | ||
Perineural invasion | Negative | 48 | 36 | (75.0 %) | 12 | (25.0 %) | 0.456 |
Positive | 2 | 1 | (50.0 %) | 1 | (50.0 %) | ||
Muscular invasion | Negative | 23 | 21 | (91.3 %) | 2 | (8.7 %) | 0.010* |
Positive | 27 | 16 | (59.3 %) | 11 | (40.7 %) | ||
Immunohistochemical markers | |||||||
Oct3/4 | Negative | 38 | 33 | (86.8 %) | 5 | (13.2 %) | 0.001* |
Positive | 12 | 4 | (33.3 %) | 8 | (66.7 %) | ||
Nanog | Negative | 40 | 34 | (85.0 %) | 6 | (15.0 %) | 0.001* |
Positive | 10 | 3 | (30.0 %) | 7 | (70.0 %) |