Table 2 Univariate logistic analysis based on training groups.

From: Development and validation of a clinical nomogram prediction model for surgical site infection following lumbar disc herniation surgery

Variable

B

SE

OR

95% CI

P

Gender

− 0.265

0.19073

0.767

0.767 (0.528–1.116)

0.17

Age

0.676

0.20111

1.966

1.966 (1.325–2.916)

0.001

Smoke status

− 0.091

0.19782

0.913

0.913 (0.618–1.343)

0.65

Drink status

− 0.248

0.23737

0.78

0.78 (0.485–1.232)

0.30

HBP

0.116

0.20162

1.124

1.124 (0.754–1.665)

0.56

DM

0.67

0.20028

1.955

1.955 (1.32–2.896)

0.001

BMI

0.975

0.20049

2.651

2.651 (1.798–3.949)

< 0.001

MS

0.033

0.20679

1.033

1.033 (0.686–1.545)

0.88

Implant

0.451

0.28989

1.571

1.571 (0.906–2.839)

0.12

OT

0.423

0.19062

1.526

1.526 (1.051–2.22)

0.03

IBL

0.569

0.31016

1.767

1.767 (0.954–3.24)

0.07

PSD

1.861

0.2575

6.429

6.429 (3.957–10.90)

< 0.001

GS

1.427

0.32506

4.167

4.167 (2.285–8.259)

< 0.001

PTAG

0.135

0.21394

1.144

1.144 (0.756–1.751)

0.53

NPTA

0.573

0.21063

1.773

1.773 (1.171–2.678)

0.007

PTHB

0.216

0.19765

1.242

1.242 (0.845–1.836)

0.27

Ca+

0.28

0.19434

1.324

1.324 (0.903–1.936)

0.15

LKF

0.091

0.19263

1.095

1.095 (0.752–1.601)

0.64

K+

0.693

0.20867

2

2 (1.337–3.033)

0.001

PTSA

0.576

0.19525

1.778

1.778 (1.213–2.609)

0.003

TT

1.692

0.20525

5.428

5.428 (3.648–8.163)

< 0.001

  1. HBP high blood pressure, DM diabetes mellitus, BMI body mass index, MS multi-stage surgery, OT operation time, IBL intraoperative blood loss, PSD postoperative suction drainagen, GS gelatin sponge, PTAG postoperative anticoagulation, NPTA none-preoperative antibiotic, PTHB postoperative hemoglobin, PTSA postoperative serum albumin, LKF liver and kidney function, TT thrombin time. The bold text means that the P value was<0.05.