Table 2 Demographic data of patients in two groups

Age (years)

72 (67.00–79.75)

75.00 (68.00–83.50)

71.00 (67.00–78.00)

 < 0.05

Gender (n [%])

 Male

124 (60)

47 (64)

77 (57)

 Female

84 (40)

26 (36)

58 (43)

0.303

Body mass index (kg/m²)

21.9 (19.60–24.10)

21.90 (19.85–24.20)

22.00 (19.40–24.00)

0.471

Combined overweight constitution (BMI ≥ 24 kg/m ²) (n [%])

54 (26)

20 (27)

34 (25)

0.728

Weight decreased (n [%])

58 (28)

23 (32)

35 (26)

0.392

Preoperative albumin (g/l)

36.51 ± 4.53

36.11 ± 4.97

36.73 ± 4.28

0.350

Preoperative hemoglobin (g/l)

116.00 (89.50–129.75)

97.00 (82.00–120.00)

120.00 (102.00–131.00)

 < 0.05

Smoking history (n [%])

53 (25)

23 (32)

30 (22)

0.142

Alcohol history (n [%])

19 (9)

7 (10)

12 (9)

0.867

Maximum tumor diameter

5.00 (3.50–5.95)

5.00 (3.50–6.00)

4.50 (3.70–5.80)

0.532

Intraoperative bleeding (ml)

20.00 (20.00–50.00)

20.00 (20.00–50.00)

20.00 (20.00–50.00)

0.338

Intraoperative fluid replacement (ml)

2000 (1500–2500)

1550 (1500–2500)

2000 (1500–2450)

0.668

Procedure duration (min)

173.50 (135.00–228.75)

180.00(135.00–240.00)

170.00 (135.00–216.00)

0.453

Total hospital stays (d)

17.00 (14.00–21.00)

19.00 (15.00–24.50)

17.00 (14.00–20.00)

 < 0.05

Tumor site (n [%])

 Ileocecal junction (n [%])

4 (2)

2 (3)

2 (1)

 Ascending colon cancer (n [%])

43 (11)

17 (15)

26 (19)

 Transverse colon cancer (n [%])

23 (6)

11 (15)

12 (9)

 Colon cancer descending (n [%])

12 (6)

2 (3)

12 (9)

 Sigmoid colon cancer (n [%])

59 (28)

19 (26)

40 (30)

 Rectosigmoid junction carcinoma (n [%])

6 (3)

2 (3)

4 (3)

 Rectal cancer (n [%])

52 (25)

17 (23)

35 (26)

 Anorectal carcinoma (n [%])

4 (2)

1 (1)

3 (2)

0.765