Table 1 Demographics and laboratory variables

 Male

93 (55.7)

556 (56.7)

0.801

 Female

74 (44.3)

424 (43.3)

Age (year)

62.0 ±15.1

61.7 ±14.2

0.776

 Age <50

35 (21)

192 (19.6)

0.682

 Age ≥50

132 (79)

788 (80.4)

BMI^a

23.4 ±3.9

23.5 ±3.6

0.738

 <25

110 (66.7)

674 (69.6)

 ≥25

55 (33.3)

295 (30.4)

 Yes

58 (34.9)

387 (40.2)

0.198

 No

108 (65.1)

575 (59.8)

 Hypertension

52 (31.1)

308 (31.4)

0.940

 Cardiac disease

10 (6)

73 (7.4)

0.501

 Diabetes mellitus

26 (15.6)

149 (15.2)

0.904

 CEA <5

48 (29.1)

263 (27.6)

0.687

 CEA ≥5

117 (70.9)

691 (72.4)

Hemoglobin (g/dL)

11.6 ± 2.4

11.6 ± 2.5

0.879

 ≥10

128 (76.6)

733 (74.8)

0.609

 <10

39 (23.4)

247 (25.2)

Albumin^a (g/dL)

3.9 ± 0.6

3.9 ± 0.6

0.793

 Albumin <3.5

29 (18)

161 (17.1)

0.775

 Albumin ≥3.5

132 (82)

781 (82.9)

 Normal

138 (83.6)

793 (82.9)

0.807

 Abnormal

27 (16.4)

164 (17.1)

 Normal

152 (98.7)

853 (96.4)

0.136

 Abnormal

2 (1.3%)

32 (3.6)