Table 1 Clinicopathological data for patients and healthy controls

From: Serum microRNA panel as biomarkers for early diagnosis of colorectal adenocarcinoma

Characteristics

Screening phase

Training phase

Validation phase

Healthy control

N

30

94

102

Age (mean±s.d.), years

54.37±16.24

52.33±13.16

52.76±11.36

Sex, n (%)

Male

18 (60.0)

51 (54.3)

59 (57.8)

Female

12 (40.0)

43 (45.7)

43 (42.2)

CA

Number

25

66

73

Age (mean±s.d.), years

54.60±17.36

51.31±10.80

52.43±12.38

Sex, n (%)

Male

16 (64.0)

39 (59.1)

42 (57.5)

Female

9 (36.0)

27 (40.9)

31 (42.5)

Location of adenoma, n (%)

Colon

18 (72.0)

46 (69.7)

53 (72.6)

Rectum

7 (28.0)

20 (30.3)

20 (27.4)

Adenoma grade, n (%)

Low-grade intraepithelial neoplasia

14 (56)

42 (63.6)

39 (53.4)

High-grade intraepithelial neoplasia

11 (44)

24 (36.4)

34 (46.6)

CAC

Number

30

160

117

Age (mean±s.d.), years

56.56±19.67

60.19±13.54

56.28±14.72

Sex, n (%)

Male

19 (63.3)

93 (58.1)

68 (58.2)

Female

11 (36.7)

67 (41.9)

49 (41.8)

Location of tumours, n (%)

Colon

22 (73.3)

112 (70.0)

83 (70.9)

Rectum

8 (26.7)

48 (30.0)

34 (29.1)

Tumour size, n (%)

3 cm

4 (13.3)

26 (16.3)

18 (15.4)

>3 cm

26 (86.7)

134 (83.7)

99 (84.6)

Differentiation, n (%)

Well

4 (13.3)

34 (21.3)

18 (15.4)

Moderate

19 (63.3)

91 (56.9)

76 (65.0)

Poor

5 (16.7)

35 (21.8)

23 (19.6)

N/A

2 (6.7)

  

TNM stage, n (%)

Stage I

11 (36.7)

23 (14.4)

19 (16.2)

Stage II

8 (26.6)

49 (30.6)

31 (26.5)

Stage III

5 (16.7)

71 (44.4)

46 (39.3)

Stage IV

4 (13.3)

17 (10.6)

21 (18.0)

N/A

2 (6.7)

  
  1. Abbreviations: CA=colorectal adenoma; CAC=colorectal adenocarcinoma; TNM=tumour–node–metastasis.