Table 1 Clinicopathological features of colorectal tissue and stool samples used in this study
From: Feasibility of quantifying SDC2 methylation in stool DNA for early detection of colorectal cancer
Characteristics | Number of patients (%) | |
|---|---|---|
Tissues | Stool | |
Healthy normal | n = 5 | n = 22 |
 Sex (%) | ||
  Male | 4 (80.0) | 12 (54.5) |
  Female | 1 (20.0) | 10 (45.5) |
  Age, mean (range) | 55.5 (48–65) | 58.8 (36–77) |
Polyp | n = 49 | n = 21 |
 Sex (%) | ||
  Male | 37 (75.5) | 13 (61.9) |
  Female | 12 (24.5) | 8 (38.1) |
  Age, mean (range) | 57.2 (28–89) | 63.4 (51–75) |
 Number of polyps analyzed from each patient (range, 1–6) (%) | ||
  1 | 21 (42.9) | 3 (14.3) |
  2–3 | 23 (46.9) | 15 (71.4) |
  ≥ 4 | 5 (10.2) | 3 (14.3) |
 Histopathology | ||
  Hyperplastic | 17 (34.7) |  |
  Tubular | 27 (84.3) | 21 (100) |
  Tubularvillous | 5 (15.7) |  |
CRC | n = 18 | n = 50 |
 Sex (%) | ||
  Male | 8 (40.0) | 30 (60.0) |
  Female | 12 (60.0) | 20 (40.0) |
  Age, mean (range) | 63.1 (39–80) | 61.9 (41–84) |
 Stage (%) | ||
  I | 2 (10.0) | 12 (24.0) |
  II | 12 (60.0) | 17 (34.0) |
  III | 2 (10.0) | 10 (20.0) |
  IV | 4 (20.0) | 11 (22.0) |