Table 4 Predictive factors for FDGE with preoperative pyloric obstruction patients (114 cases)

Male sex

88 (77.2%)

0.659

0.798 (0.294–2.170)

Age, years^a

61.746 ± 11.835

0.411

0.985(0.950–1.021)

BMI, kg/m^2a

22.775 ± 3.333

< 0.001

1.394 (1.176–1.653)

0.005

1.309(1.086–1.579)

Smoking history

26 (22.8%)

0.336

0.620 (0.234–1.643)

History of abdominal surgery

17 (14.9%)

0.987

1.010 (0.300–3.402)

Preoperative albumin, g/L^a

39.675 ± 5.012

0.003

1.175 (1.056–1.306)

0.144

1.111 (0.965–1.280)

Preoperative hemoglobin, g/L^a

121.395 ± 26.799

0.010

1.024 (1.006–1.043)

0.601

1.006 (0.983–1.030)

Postoperative albumin, g/L^a

32.404 ± 4.370

0.026

1.136 (1.016–1.271)

0.557

1.039 (0.915–1.178)

Postoperative hemoglobin, g/L^a

113.570 ± 24.093

0.083

1.017 (0.998–1.036)

Preoperative gastric decompression

66 (57.9%)

0.001

0.211(0.082–0.538)

0.019

0.231 (0.068–0.785)

Periods of obstruction

16.430 ± 10.908

0.038

1.048(1.003–1.095)

0.039

1.054 (1.003–1.108)

Level of obstruction

0.033

0.603

 None food retention

22(19.3%)

 Small amount

60(52.6%)

0.025

0.300(0.105–0.858)

0.348

0.523(0.135–2.027)

 Large amount

32(28.1%)

0.020

0.222(0.062–0.792)

0.849

0.844(0.148–4.815)

Preoperative anxiety

0.251

 None

82 (71.9%)

 Counseling

18 (15.8%)

0.184

2.292 (0.675–7.778)

 Drugs

14 (12.3%)

0.206

2.062 (0.672–6.333)

Operation time, min^a

184.158 ± 49.252

0.161

1.006 (0.998–1.015)

Operation blood loss, ml^a

193.421 ± 86.861

0.955

1.000 (0.995–1.005)

 Opening

75 (65.8%)

Control

 Laparoscopy

39 (34.2%)

0.202

1.778 (0.734–4.306)

 Roux-en-Y

50 (35.6%)

Control

 Uncut Roux-en-Y

64 (64.4%)

0..709

1.182 (0.492–2.839)

Volume of residual stomach

0.259

 LGPA preserved

36 (31.6%)

 LGPA ligation

40 (35.1%)

0.153

2.352 (0.728–7.593)

 First branch of SGA ligation

38(33.3%)

0.123

2.526 (0.779–8.190)

Position of anastomosis

0.472

 Greater curvature parallel

29 (25.4%)

0.500

1.500 (0.462–4.874)

 Greater curvature perpendicular

45 (39.5%)

0.221

1.915 (0.677–5.416)

 Middle position of gastric posterior wall

40 (35.1%)

Control

 Circle stapler

40 (35.1%)

Control

 Linear stapler

74 (64.9%)

0.828

1.428 (1.073–1.783)

 Greater curvature

56 (49.1%)

Control

 Lesser curvature

58 (50.9%)

0.746

0.867 (0.365–2.057)