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Table 5 Multivariate analysis

From: Risk factors for pressure ulcers from the use of a pelvic positioner in hip surgery: a retrospective observational cohort study in 229 patients

  

95%CI

 
 

Adjusted odds ratio

lower

upper

p value

Height < 154 (cm)

12.75

1.25

129.90

0.032

Length of surgery > 180 (minutes)

13.12

0.70

245.29

0.085

Amount of bleeding > 355 (ml)

0.86

0.09

8.43

0.900

Pubic type pelvic positioner

10.53

1.03

107.73

0.047

Revision THA or Osteotomy

1.68

0.25

11.39

0.600

  1. Cox-Snell R2 = 0.087; Nagelkerke R2 = 0.40
  2. CI Confidence interval