Table 1 Demographic and clinical characteristics of treated patients
Characteristics | Overall patients, n (%) | Adverse events | |
|---|---|---|---|
G1–2, n | G3–4, n | ||
Age (years) | |||
Range | 25-78 | 45–74 | 25–78 |
Median | 56 | 61.5 | 53 |
 ≤ 56 | 50(48.1) | 9 | 44 |
 > 56 | 54(51.9) | 17 | 29 |
Gender | |||
 Male | 55(52.8) | 19 | 34 |
 Female | 49(47.1) | 7 | 39 |
Smoking status | |||
 Smoker | 8(7.6) | 2 | 5 |
 Non-smoker | 96(92.3) | 24 | 68 |
Alcohol intake | |||
 Yes | 4(3.8) | 2 | 2 |
 No | 100(96.1) | 24 | 71 |
Anatomic site | |||
 Rectum | 39(37.5) | 11 | 27 |
 Colon | 65(62.5) | 15 | 46 |
Histopathological type | |||
 Adenocarcinoma | 104(100.0) | 26 | 73 |
 Squamous cell carcinoma | 0(0) | 0 | 0 |
 Adenocarcinoma histology | |||
 Poorly differentiated | 1(1) | 0 | 1 |
 Moderately differentiated | 57(54.8) | 13 | 42 |
 Mucinous adenocarcinoma | 3(2.9) | 0 | 3 |
 Undefined | 43(41.3) | 13 | 27 |
Grade of tumor | |||
 I | 0(0) | 0 | 0 |
 II | 30(28.8) | 6 | 22 |
 III | 46(44.2) | 15 | 31 |
 IV | 28(27) | 5 | 20 |
Clinical T-stage | |||
 1 | 2(1.9) | 0 | 2 |
 2 | 3(2.9) | 1 | 2 |
 3 | 65(62.5) | 19 | 44 |
 4 | 34(32.7) | 6 | 25 |
Clinical N-stage | |||
 0 | 33(31.7) | 7 | 24 |
 1 | 42(40.4) | 12 | 30 |
 2 | 28(26.9) | 7 | 18 |
 3 | 1(1) | 0 | 1 |
Clinical M-stage | |||
 0 | 76(73) | 21 | 53 |
 1 | 28(27) | 5 | 20 |