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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