Skip to main content

Table 1 Patient characteristics (n = 596)

From: Association of DNA repair gene variants with colorectal cancer: risk, toxicity, and survival

  n (%)
Age, mean (± SD) yrs 69.4 (± 12.1)
Gender (Male) 338 (56.7)
Tumor location
 Rectum 251 (42.4)
 Left-sided colon 132 (22.3)
 Right-sided colon 209 (35.3)
Tumor differentiation
 Well 22 (3.7)
 Moderate 423 (71.3)
 Poor 138 (23.3)
 Mucinous 6 (1.0)
Stage
 I 62 (10.4)
 II 203 (34.1)
 III 234 (39.3)
 IV 94 (15.8)
Lymph node count ≥12 413 (69.3)
Positive lymph node 293 (52.1)
Received preoperative radiotherapya 130 (21.7)
Radically operated 509 (86.3)
Received chemotherapyb 236 (39.6)
 Adjuvant therapy 171 (55.1)
 First-line therapy 101 (25.4)
 Confirmed response to therapy 74 (78.7)
Relapsed 160 (32.1)
Status at last follow-up
 Dead 362 (60.7)
 Alive 231 (38.8)
  1. NOTE- Unknown data: Tumor location for 4 patients; Tumor differentiation for 7 patients; Tumor stage for 3 patients; Radical operation for 6 patients; relapse for 1 patient, status at last follow-up for 3 patients. aOnly for rectal cancer patients; b 41 patients had both adjuvant and first-line therapy, response to therapy was measured only for 94 patients who had undergone first-line therapy