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. 2021 Jan 6;21:12. doi: 10.1186/s12935-020-01710-0

Table 2.

XPF expression in CRC and nontumor adjacent tissue

Category Group Cases (−) (+) (++) (+++) PR (%) P
n (%) n (%) n (%) n (%)
Overall CRC 230 115 94 15 6 50.0% <0.001
Adjacent 230 228 1 1 0 0.9%
Male CRC 129 59 57 9 4 54.3% <0.001
Adjacent 129 127 1 1 0 1.6%
Female CRC 101 56 37 6 2 44.6% <0.001
Adjacent 101 101 0 0 0 0.0%
≤60 CRC 112 58 45 7 2 48.2% <0.001
Adjacent 112 111 1 0 0 0.9%
>60 CRC 118 57 49 8 4 51.7% <0.001
Adjacent 118 117 0 1 0 0.8%
Smoking CRC 54 26 22 2 4 51.9% <0.001
Adjacent 54 53 1 0 0 1.9%
No smoking CRC 176 89 72 13 2 49.4% <0.001
Adjacent 176 175 0 1 0 0.6%
Drinking CRC 36 19 15 1 1 47.2% <0.001
Adjacent 36 36 0 0 0 0.0%
No drinking CRC 194 96 79 14 5 50.5% <0.001
Adjacent 194 192 1 1 0 1.0%
Colon CRC 74 48 21 3 2 35.1% <0.001
Adjacent 74 74 0 0 0 0.0%
Rectum CRC 156 67 73 12 4 57.1% <0.001
Adjacent 156 154 1 1 0 1.3%
Lymph node metastasis CRC 134 72 51 8 3 46.3% <0.001
Adjacent 134 133 1 0 0 0.7%
Without Lymph node metastasis CRC 96 43 43 7 3 55.2% <0.001
Adjacent 96 95 0 1 0 1.0%
Distant metastasis CRC 57 26 25 3 3 54.4% <0.001
Adjacent 57 56 1 0 0 1.8%
No Distant metastasis CRC 173 89 69 12 3 48.6% <0.001
Adjacent 173 172 0 1 0 0.6%
Perineural invasion CRC 136 72 52 9 3 47.1% <0.001
Adjacent 136 135 0 1 0 0.7%
Without Perineural invasion CRC 94 43 42 6 3 54.3% <0.001
Adjacent 94 93 1 0 0 1.1%
Vessel carcinoma embolus CRC 53 31 19 3 0 41.5% <0.001
Adjacent 53 53 0 0 0 0.0%
Without Vessel carcinoma embolus CRC 177 84 75 12 6 52.5% <0.001
Adjacent 177 175 1 1 0 1.1%
Infiltrative CRC 139 76 54 5 4 45.3% <0.001
Adjacent 139 138 0 1 0 0.7%
Nested/cloddy CRC 91 39 40 10 2 57.1% <0.001
Adjacent 91 90 1 0 0 1.1%
Poor/mucinous CRC 70 41 24 4 1 41.4% <0.001
Adjacent 70 69 1 0 0 1.4%
Well/moderate CRC 160 74 70 11 5 53.8% <0.001
Adjacent 160 159 0 1 0 0.6%
Family history CRC 41 21 14 4 2 48.8% <0.001
Adjacent 41 40 1 0 0 2.4%
Without Family history CRC 189 94 80 11 4 50.3% <0.001
Adjacent 189 188 0 1 0 0.5%
T1 CRC 6 2 3 1 0 66.7%
Adjacent 6 6 0 0 0 0.0% 0.022
T2 CRC 85 34 42 7 2 60.0%
Adjacent 85 84 0 1 0 1.2% <0.001
T3 CRC 119 68 43 5 3 42.9%
Adjacent 119 118 1 0 0 0.8% <0.001
T4 CRC 18 10 5 2 1 44.4%
Adjacent 18 18 0 0 0 0.0% 0.002
T1-2 CRC 42 19 18 3 2 54.8%
Adjacent 42 41 0 1 0 2.4% <0.001
T3-4 CRC 141 78 51 8 4 44.7%
Adjacent 141 140 1 0 0 0.7% <0.001

PR positive rate. Negative (−), light positive (+), positive (++), strong positive (+++) staining. Mann–Whitney U- test of nonparametric test to compare the XPF protein expression between CRC and adjacent tissue

The italics values: P < 0.05