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Table 1 The Univariate analysis of all factors

From: Risk factor of postoperative incision infection after plate internal fixation of calcaneal fractures: a retrospective study

 

Infection Group(N = 24)

Non-infection Group(N = 278)

Statistics

p value

Age(years)

43.125 ± 16.028

48.115 ± 15.126

−1.543

0.124

Sex

 Male

14

163

0.001

0.977

 Female

10

115

Injury reason

 Falling

13

163

3.289

0.193

 Accident

3

62

 Squeezing

8

53

Sanders type

 II

6

102

2.431

0.297

 III

11

127

 IV

7

49

Blister

 Yes

13

145

0.036

0.850

 No

11

133

Smoking

 Yes

10

123

0.06

0.807

 No

14

155

Diabetes

 Yes

12

80

4.698

0.03

 No

12

198

Preoperative hemoglobin

33.792 ± 3.878

41.374 ± 4.986

−7.258

<0.001

Preoperative albumin

110.750 ± 6.173

115.252 ± 8.930

−2.418

0.016

Anesthesia

 Generl anesthesia

11

102

0.789

0.375

 Lumbar anesthesia

13

176

Time from injury to operation

11.042 ± 3.085

13.407 ± 2.242

−4.795

<0.001

Operation Time(minutes)

95.410 ± 8.871

77.917 ± 5.941

−9.471

<0.001

Bone graft

 Yes

17

182

1.863

0.172

 No

7

96