Variable | Total | Cell-in-cell | P value of chi-square test | |
---|---|---|---|---|
None | One or more | |||
N = 308 | N = 108 N (%) | N = 200 N (%) | ||
Age | 0.397 | |||
≤ 60 | 128 | 41 (32.0) | 87 (68.0) | |
> 60 | 180 | 67 (37.2) | 113 (62.8) | |
Gender | > 0.999 | |||
Male | 164 | 58 (35.4) | 106 (64.6) | |
Female | 144 | 50 (34.7) | 94 (65.3) | |
cTNM stage | 0.113 | |||
T1N0M0 | 123 | 50 (40.7) | 73 (59.3) | |
T2N0M0 | 185 | 58 (31.4) | 127 (68.6) | |
Grade (WHO) | 0.031 | |||
Well differentiated | 104 | 46 (44.2) | 58 (55.8) | |
Moderately differentiated | 130 | 36 (27.7) | 94 (72.3) | |
Poorly differentiated | 74 | 26 (35.1) | 48 (64.9) | |
Tumor budding | 0.007 | |||
Low (< 5 buds) | 212 | 85 (40.1) | 127 (59.9) | |
High (≥5 buds) | 98 | 23 (24.0) | 73 (76.0) | |
Depth of invasion | < 0.001 | |||
Superficial (< 4 mm) | 113 | 61 (54.0) | 52 (46.0) | |
Deep (≥4 mm) | 195 | 47 (24.1) | 148 (75.9) | |
Worst pattern of invasion | < 0.001 | |||
Cohesive | 77 | 41 (53.2) | 36 (46.8) | |
Invasive | 231 | 67 (29.0) | 164 (71.0) | |
Tumor-stroma ratio | 0.001 | |||
Low | 220 | 90 (40.9) | 130 (59.1) | |
High | 88 | 18 (20.5) | 70 (79.5) | |
Perineural invasion | 0.010 | |||
Absent | 267 | 101 (37.8) | 166 (62.2) | |
Present | 41 | 7 (17.1) | 34 (82.9) |