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Table 3 Univariate analyses of factors associated with preoperative DVT following tibial plateau fracture

From: Relationship between the inflammation/immune indexes and deep venous thrombosis (DVT) incidence rate following tibial plateau fractures

Variables

DVTs/total (incidence)

P

Gender

 

0.003

Male

139/742 (18.7%)

 

Female

53/437 (12.1%)

 

Age

 

0.108

 18–44

81/558 (14.5%)

 

 45–64

96/509 (18.9%)

 

 65 or older

15/112 (13.4%)

 

BMI (kg/m2)

  

 18.5–23.9

44/362 (12.2%)

 

 < 18.5

2/21 (9.5%)

 

 24.0–27.9

102/511 (20.0%)

 

 ≥ 28.0

44/286 (15.4%)

 

Diabetes mellitus

23/154 (14.9%)

0.627

Hypertension

47/214 (22.0%)

0.013

Chronic heart disease

14/56 (25.0%)

0.070

Fracture type (Schatzker)

 

0.022

 I-IV

133/793 (16.8%)

 

 V-VI

59/385 (15.3%)

 

Mechanism (high-energy)

120/758(15.8%)

0.571

Open fracture

22/71(31.0%)

0.001

Current smoking

37/166 (22.3)

0.024

Alcohol consumption

20/107 (18.7%)

0.480

D-Dimer (> 0.55 mg/L)

148/690 (21.4%)

< 0.001

Neutrophil count (> 5.02 × 109/L)

155/795 (19.5%)

< 0.001

Lymphocyte (< 1.24 × 109/L)

81/458 (17.7%)

0.299

Monocyte (> 0.78 × 109/L)

90/431 (20.9%)

0.001

Platelet (> 278 × 109/L)

97/368 (26.4%)

< 0.001

NLR (> 2.90)

94/432 (21.8%)

< 0.001

PLR (> 206)

90/407 (22.1%)

< 0.001

MLR (> 0.50)

94/436 (21.6%)

< 0.001

SII (> 1066)

85/362 (23.5%)

< 0.001

  1. DVT deep vein thrombosis, BMI body mass index, NLR neutrophil to lymphocyte rate, PLR platelet to lymphocyte rate, MLR monocyte to lymphocyte rate, SII systemic immune-inflammation index