Table 2.
The frequency of pathology reports by sex among colorectal cancer patients (2008-2016)
| Variable | Male |
Female |
Total |
P-value* | |
|---|---|---|---|---|---|
| No (%) | No (%) | No (%) | |||
| Location of tumor | Rectum | 91 (41.18) | 61 (34.66) | 152 (38.29) | 0.359 |
| Sigmoid | 36 (16.29) | 35 (19.89) | 71 (17.88) | ||
| Recto-sigmoid | 49 (22.17) | 38 (21.59) | 87 (21.91) | ||
| Cecum | 11 (4.98) | 8 (4.55) | 19 (4.79) | ||
| Right colon | 14 (6.33) | 7 (3.98) | 21 (5.29) | ||
| Other | 20 (9.05) | 27 (15.33) | 47 (11.83) | ||
| Total | 221 (100) | 176 (100) | 397 (100) | ||
| Obstruction | No | 183 (82.81) | 154 (86.03) | 337 (84.25) | 0.371 |
| Yes | 38 (17.19) | 25 (13.97) | 63 (15.75) | ||
| Total | 221 (100) | 179 (100) | 400 (100) | ||
| Perforation | No | 200 (90.91) | 164 (91.62) | 364 (91.23) | 0.802 |
| Yes | 20 (9.09) | 15 (8.38) | 35 (8.77) | ||
| Total | 220 (100) | 179 (100) | 399 (100) | ||
| Appearance | Ulcerative | 83 (39.9) | 59 (34.3) | 142 (37.37) | 0.006 |
| Polypoid | 30 (14.42) | 30 (17.44) | 60 (15.79) | ||
| Fungating | 25 (12.02) | 38 (22.09) | 63 (16.58) | ||
| Diffuse infiltrative | 24 (11.54) | 15 (8.72) | 39 (10.26) | ||
| Other | 46 (22.11) | 30 (17.44) | 76 (20) | ||
| Total | 208 (100) | 172 (100) | 380 (100) | ||
| Differentiation (grading) | Well diff | 141 (64.38) | 119 (67.61) | 260 (65.82) | 0.330 |
| Moderately diff | 55 (25.11) | 40 (22.73) | 96 (24.05) | ||
| Poorly diff | 21 (9.59) | 15 (8.52) | 36 (9.11) | ||
| Other | 2 (0.91) | 2 (1.14) | 4 (1.02) | ||
| Total | 219 (100) | 176 (100) | 395 (100) | ||
| Depth of invasion | Muscularis | 78 (35.78) | 59 (33.71) | 137 (34.86) | 0.616 |
| Serosal | 129 (59.17) | 100 (57.14) | 229 (58.27) | ||
| Sub mucosal | 9 (4.13) | 13 (7.43) | 22 (5.6) | ||
| Other | 2 (0.92) | 3 (1.71) | 5 (1.27) | ||
| Total | 218 (100) | 184 (100) | 393(100) | ||
| Vascular invasion | No | 206 (93.21) | 166 (94.86) | 372 (93.94) | 0.490 |
| Yes | 15 (6.79) | 9 (5.14) | 24 (6.06) | ||
| Total | 221 (100) | 175 (100) | 396 (100) | ||
| Neural invasion | No | 190 (85.97) | 151 (86.29) | 341 (86.11) | 0.925 |
| Yes | 31 (14.03) | 24 (13.71) | 55 (13.89) | ||
| Total | 221 (100) | 175 (100) | 396 (100) | ||
| Lymphatic invasion | No | 185 (83.71) | 139 (79.43) | 324 (81.82) | 0.271 |
| Yes | 36 (16.29) | 36 (20.57) | 72 (18.18) | ||
| Total | 221 (100) | 175 (100) | 396 (100) | ||
| T-stage | T0 | 21 (8.71) | 16 (8.16) | 37 (8.47) | 0.712 |
| T1 | 11 (4.56) | 15 (7.65) | 26 (5.95) | ||
| T2 | 63 (26.14) | 58 (29.59) | 121 (27.69) | ||
| T3 | 133 (55.19) | 96 (48.98) | 229 (52.4) | ||
| T4 | 11 (4.56) | 8 (4.08) | 19 (4.35) | ||
| Tx/Tis | 2 (0.82) | 3 (1.53) | 5 (1.15) | ||
| Total | 241 (100) | 196 (100) | 437 (100) | ||
| N-stage | N0 | 170 (70.54) | 135 (68.88) | 305 (69.79) | 0.441 |
| N1(a,b,c) | 45 (18.67) | 45 (22.95) | 90 (20.59) | ||
| N2(a,b) | 25 (10.37) | 14 (7.14) | 39 (8.92) | ||
| Nx | 1 (0.41) | 2 (1.02) | 3 (0.68) | ||
| Total | 241 (100) | 196 (100) | 437 (100) | ||
| M-stage | Mx | 236 (97.93) | 187 (95.41) | 423 (96.8) | 0.306 |
| M1(a,b) | 5 (2.07) | 9 (4.59) | 14 (3.21) | ||
| Total | 241 (100) | 196 (100) | 437 (100) | ||
| Residual tumor after chemo-radiotherapy | No | 222 (90.24) | 172 (86.43) | 394 (88.54) | 0.203 |
| Yes | 24 (9.76) | 13.57 | 51 (11.46) | ||
| Total | 246 (100) | 199 (100) | 445 (100) | ||
| Staging | 0 | 23 (9.58) | 19 (9.79) | 42 (9.68) | 0.287 |
| I | 65 (27.08) | 63 (32.47) | 128 (29.49) | ||
| II (A,B,C) | 82 (34.16) | 59 (30.41) | 141 (32.48) | ||
| III (A,B,C) | 70 (29.16) | 53 (27.31) | 123 (28.34) | ||
| Total | 240 (100) | 194 (100) | 434 (100) | ||
| Type of surgery | Laparotomy | 98 (35.51) | 89 (41.78) | 187 (38.24) | 0.215 |
| Laparoscopy | 157 (56.88) | 114 (53.52) | 271 (55.42) | ||
| Conversion | 21 (7.61) | 10 (4.69) | 31 (6.34) | ||
| Total | 276 (100) | 213 (100) | 489 (100) |
* Based on Chi-square test