TABLE 1.
Patient characteristics
| Category | Number | Percentage |
|---|---|---|
| JOG treatment arm | ||
| Capecitabine | 270 | 50.6 |
| S‐1 | 264 | 49.4 |
| Age | ||
| Median (range) | 67 years | 29–80 |
| Sex | ||
| Male | 283 | 53.0 |
| Female | 251 | 47.0 |
| Body mass index | ||
| Median (range) | 21.9 | 14.8–33.9 |
| Tumor location | ||
| Right‐sided (C/A/T) | 184 (41/107/36) | 34.5 |
| Left‐sided (D/S/rectosigmoid/rectum) | 350 (22/141/116/71) | 65.5 |
| Histology | ||
| Well‐differentiated adenocarcinoma | 125 | 23.4 |
| Moderately differentiated adenocarcinoma | 369 | 69.1 |
| Poorly differentiated/mucinous/papillary | 15/13/12 | 7.5 |
| Stage | ||
| IIIA | 94 | 17.6 |
| IIIB | 397 | 74.3 |
| IIIC | 43 | 8.1 |
| Pathological tumor depth a | ||
| T1 | 34 | 6.4 |
| T2 | 61 | 11.4 |
| T3 | 321 | 60.1 |
| T4a | 103 | 19.3 |
| T4b | 15 | 2.8 |
| Pathological nodal status a | ||
| N1a | 244 | 45.7 |
| N1b | 209 | 39.1 |
| N2a | 64 | 12.0 |
| N2b | 17 | 3.2 |
Abbreviations: A, ascending colon; C, cecum; D, descending colon; S, sigmoid colon; T, transverse colon.
a
UICC‐TNM 7th edition.