Table 1 Comparison of Demographic Data between Infection and No-infection Patients

Age

51.15±14.36

51.96±12.18

0.692

3.43

0.064

Male gender

32 (61.54%)

667 (48.54%)

0.066

BMI

24.54±3.59

24.27±3.44

0.593

0.07

0.796

UTI

13 (25%)

179 (13.03%)

0.013*

Diabetes

6 (11.54%)

104 (7.57%)

0.292

Hypertension

10 (19.23%)

237 (17.25%)

0.711

HGB

140.79±13.72

137.26±16.07

0.118

1.50

0.220

Alb

40.82±2.66

40.70±3.44

0.759

3.97

0.046

Subcutaneous fat thickness

15.72±7.27

13.80±7.73

0.020*

0.23

0.632

LMM Fat infiltration

29.14±18.19

21.40±10.68

0.005*

19.51

<.0001

Multilevel surgery(≥2 levels)

26 (50%)

479 (34.86%)

0.025*

Surgery duration

209.38±54.27

184.15±53.52

<.001*

0.00

0.980

Bleeding

265.38±154.63

260.44±226.42

0.876

0.10

0.748

The volume of drainage

328.06±197.57

295.96±172.81

0.079

0.51

0.473

The duration of drainage

2.38±0.82

2.14±0.45

0.037*

The number of drainage tubes

1 (79.84%)

1 (67.31%)

0.027*

2 (20.16%)

2 (32.69%)