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Table 5 Predictors of 30-day minor bleeding outcomes in multivariate analyses

From: Impact of perioperative low-molecular-weight heparin therapy on clinical events of elderly patients with prior coronary stents implanted > 12 months undergoing non-cardiac surgery: a randomized, placebo-controlled trial

 

Multivariate analysis

 

P value

 

RR

95% CI

P

Age

0.416

(0.089, 1.949)

0.266

Gender

0.572

(0.175, 1.874)

0.357

ASA

 I–II

Reference

  

 III–IV

0.413

(0.043, 4.004)

0.446

BMI (kg/m2)

   

 18–25

Reference

  

 25–30

0.631

(0.265, 1.729)

0.471

 > 30

1.528

(0.183, 2.395)

0.552

LMWH bridging

   

 No bridging

Reference

 Bridging

6.560

(1.748–14.616)

0.005

Creatinine clearance (ml/min)

   

 > 60

Reference

  

 30–60

0.397

(0.085, 1.764)

0.236

 < 30

0.468

(0.059, 2.708)

0.322

Perioperative MAP (mmHg)

   

 < 60

1.020

(0.523, 2.386)

0.964

 60–70

Reference

  

 > 70

0.930

(0.755, 1.295)

0.781

Preoperative platelet(×109/L)

 > 300

0.981

(0.817, 1.179)

0.834

 100–300

Reference

  

 70–100

1.060

(0.892, 1.261)

0.506

 < 70

1.732

(1.036, 2.909)

0.038

 Diabetes mellitus

2.874

(0.788, 5.968)

0.432

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