Table 1 Histopathological data of samples from Saudi and Swiss patients with colon cancer.
| KSA | CH | χ2 | |
|---|---|---|---|
| n (%) | n (%) | (KSA vs CH) | |
| All samples | 114 | 404 | |
| Stage | |||
| pT1 | 3 (5.7) | 30 (7.5) | 0.6234 |
| pT2 | 8 (15.1) | 58 (14.4) | 0.8976 |
| pT3 | 33 (62.3) | 250 (62.2) | 0.9912 |
| pT4 | 9 (17.0) | 64 (15.9) | 0.8444 |
| Unknown | 61 | 2 | |
| Nodal stage | |||
| pN0 | 23 (43.4) | 222 (55.5) | 0.0972 |
| pN1 | 19 (35.8) | 90 (22.5) | 0.0399 |
| pN2 | 11 (20.8) | 88 (22.0) | 0.8354 |
| Unknown | 61 | 4 | |
| Grade | |||
| G1 | 5 (4.4) | 16 (4.0) | 0.8343 |
| G2 | 95 (84.1) | 360 (89.6) | 0.1204 |
| G3 | 13 (11.5) | 26 (6.5) | 0.0878 |
| Unknown | 1 | 2 |
CH, Switzerland; KSA, Kingdom of Saudi Arabia.