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Table 1 Demographic and clinical characteristics:

From: DNA integrity index as a potential molecular biomarker in colorectal cancer

Parameter CRC patients
(n = 90)
Pathological controls
(n = 30)
Healthy controls
(n = 30)
Age (years)
 mean ± SD
52 ± 9.5 50 ± 4.7 51 ± 5.9
Sex
 Male (%)
 Female (%)
48/90 (53%)
42/90 (47%)
12/30 (40%)
18/30 (60%)
21/30 (70%)
9/30 (30%)
Anemia
 Present (%)
 Absent (%)
66/90 (73.3%)
24/90 (36.7%)
12/30 (40%)
18/30 (60%)
0/30
30/30 (100%)
Constipation
 Present (%)
 Absent (%)
57/90 (63.3%)
33/90 (36.7%)
0/30
30/30 (100%)
0/30
30/30 (100%)
Bleeding per rectum
 Present (%)
 Absent (%)
51/90 (56.7%)
39/90 (43.3%)
3/30 (30%)
27/30 (90%)
0/30
30/30 (100%)
Palpable mass
 Present (%)
 Absent (%)
3/90 (3.3%)
87/90 (96.7%)
0/30
30 /30 (100%)
0/30
30/30 (100%)
Family history
 Present (%)
 Absent (%)
21/90 (20%)
69/90 (80%)
6/30 (20%)
24/30 (80%)
0/30
30/30 (100%)
Tumor size
(mean ± SD)
6.6 ± 1.9 NA NA
Site of tumor
 Left (%)
 Right (%)
 Rectum (%)
30/90 (33.3%)
33/90 (36.7%)
27/90 (30%)
NA NA
Grade of tumor
 1 (%)
 2 (%)
 3 (%)
9/90 (10%)
78/90 (86.7%)
3/90 (3.3%)
NA NA
TNM stage
 1 (%)
 2 (%)
 3 (%)
 4 (%)
6/90 (6.7%)
21/90 (23.3%)
30/90 (33.3%)
33/90 (36.7%)
NA NA
Lymph nodes metastasis
 Present (%)
 Absent (%)
30/90 (33.3%)
27/90 (30%)
NA NA
Distant metastasis
 Present (%)
 Absent (%)
33/90 (36.7%)
57/90 (63.3%)
NA NA
  1. CRC colorectal cancer, NA non-applicable, SD standard deviation, TNM tumor size, node involvement, and metastasis status