Table 3 Comparisons of patients with and without AL in female patients

Age (%)

 ≤ 65 years

163 (74.1%)

12 (80%)

175 (74.5%)

 > 65 years

57 (25.9%)

3 (20%)

60 (25.5%)

BMI

 < 25 kg/m²

162 (73.6%)

11 (73.3%)

173 (73.6%)

 ≥ 25 kg/m²

43 (19.5%)

4 (26.7%)

47 (20%)

 Missing

15 (6.8%)

0 (0%)

15 (6.4%)

Diabetes mellitus (%)

 Yes

18 (8.2%)

0 (0%)

18 (7.7%)

 No

202 (91.8%)

15 (100%)

217 (92.3%)

Hypertension (%)

 Yes

31 (14.1%)

2 (13.3%)

33 (14%)

 No

189 (85.9%)

13 (86.7%)

202 (86%)

Previous abdominal surgery (%)

 Yes

50 (22.7%)

3 (20%)

53 (22.6%)

 No

170 (77.3%)

12 (80%)

182 (77.4%)

Preoperative serum albumin(g/L), mean ± SD

41.2 ± 3.3

42 ± 3.6

41.2 ± 3.3

ASA score

 III–IV

8 (3.6%)

0 (0%)

8 (3.4%)

 I–II

212 (96.4%)

15 (100%)

227 (96.6%)

Operation time (%)

 < 180 min

175 (79.5%)

10 (66.7%)

185 (78.7%)

 ≥ 180 min

45 (20.5%)

5 (33.3%)

50 (21.3%)

Tumor location (%)

 ≤ 5 cm

55 (25%)

10 (66.7%)

65 (27.7%)

 > 5 cm

165 (75%)

5 (33.3%)

170 (72.3%)

AJCC stage (%)

 0–II

125 (56.8%)

9 (60%)

134 (57%)

 III–IV

95 (43.2%)

6 (40%)

101 (43%)

Type of anastomosis (%)

 Stapled

210 (94.6%)

12 (80%)

222 (94.5%)

 Hand-sewn

10 (4.5%)

3 (20%)

13 (5.5%)

Estimated blood loss (%)

 ≤ 300 ml

211 (95.9%)

12 (80%)

223 (94.9%)

 > 300 ml

9 (4.1%)

3 (20%)

12 (5.1%)

Surgery approach (%)

 Laparoscopic surgery

179 (81.4%)

11 (73.3%)

190 (80.9%)

 Open surgery

35 (15.9%)

4 (26.7%)

39 (16.6%)

 Conversion

6 (2.7%)

0 (0%)

6 (2.6%)

 Postoperative serum albumin (g/L), mean ± SD

29 ± 3.5

27.7 ± 3.4

28.9 ± 3.5

∆ALB (%)

 < 27.2%

88 (40%)

1 (1.1%)

89 (37.9%)

 ≥ 27.2%

132 (60%)

14 (93.3%)

146 (62.1%)