Table 1 Patient demographics and clinical characteristics.

From: The diagnostic value of serum Ephrin-A1 in patients with colorectal cancer

Variable

Test cohort

Validation cohort

CRC patients (n = 121)

Normal control (n = 108)

CRC patients (n = 119)

Normal control (n = 118)

Age (years)

 Mean ± SD

64 ± 12

50 ± 15

65 ± 11

51 ± 11

 Range

26–85

25–83

33–88

36–82

Gender

 Male

69 (57.02%)

70 (64.81%)

72 (60.50%)

77 (65.25%)

 Female

52 (42.98%)

38 (35.19%)

47 (39.50%)

41 (34.75%)

Location

 Colon

83 (68.60%)

 

65 (54.62%)

 

 Rectum

38 (31.40%)

 

54 (45.38%)

 

Tumor size

 <=5 cm

64 (52.89%)

 

55 (46.22%)

 

 > 5 cm

51 (42.15%)

 

28 (23.53%)

 

 Unknown

6 (4.96%)

 

36 (30.25%)

 

Grade

 Low

0 (0%)

 

11 (9.24%)

 

 Moderate

98 (80.99%)

 

59 (49.58%)

 

 High

2 (1.65%)

 

3 (2.52%)

 

 Unknown

21 (17.36%)

 

46 (38.66%)

 

Invasion depth

 Tis

0 (0%)

 

1 (0.84%)

 

 T1

2 (1.65%)

 

5 (4.2%)

 

 T3

12 (9.92%)

 

10 (8.40%)

 

 T3

10 (8.26%)

 

28 (23.53%)

 

 T4

93 (76.86%)

 

62 (52.10%)

 

 Unknown

4 (3.31%)

 

13 (10.92%)

 

Lymphatic metastasis

 N0

61 (50.41%)

 

49 (41.18%)

 

 N1

36 (29.75%)

 

31 (26.05%)

 

 N2

16 (13.22%)

 

15 (12.61%)

 

 N3

2 (1.65%)

 

1 (0.845%)

 

 Unknown

6 (4.96%)

 

21 (17.65%)

 

Distant metastasis

 M0

102 (84.30%)

 

77 (64.71%)

 

 M1

14 (11.57%)

 

20 (16.81%)

 

 Unknown

5 (4.13%)

 

22 (18.49%)

 

TNM stage

 I-IIA

20 (16.53%)

 

32 (26.89%)

 

 IIB-IV

97 (80.17%)

 

72 (60.50%)

 

 Unknown

4 (3.31%)

 

15 (12.61%)

 
  1. CRC, colorectal cancer; SD, standard deviation.