Table 2 Cox regression with mortality at longest follow-up showing adjusted hazard ratios and confidence intervals for the 12 variables entered in the model.

From: Determinants of mortality after hip fracture surgery in Sweden: a registry-based retrospective cohort study

 

aHR

95% CI

p-value

Age

1.06

1.05

1.06

<0.001

Male gender

1.45

1.36

1.55

<0.001

ASA-PS-class 1 & 2

   

Reference

   ASA-PS 3

2.12

1.96

2.29

<0.001

   ASA-PS 4

4.79

4.30

5.33

<0.001

   ASA-PS 5

12.57

6.91

22.85

<0.001

University hospital

0.83

0.76

0.91

<0.001

Time of surgery

   Day

   

Reference

   Evening

1.03

0.93

1.13

0.596

   Night

1.17

0.83

1.67

0.368

   Weekend

1.03

0.96

1.10

0.455

Type of surgery

   Osteosynthesis: cerclage, spikes, pins

   

Reference

   Osteosynthesis: intramedullary nail

0.97

0.88

1.08

0.596

   Osteosynthesis: screw and plate

1.05

0.95

1.17

0.360

   Hip replacement: cemented

0.96

0.86

1.07

0.485

   Hip replacement: non-cemented

0.64

0.37

1.11

0.114

   Compliance to surgical urgency planning

1.00

0.86

1.17

0.971

Surgical waiting time

   <12 h

   

Reference

   12 h–23 h59 min

1.05

0.97

1.13

0.195

   >24 h

1.12

0.96

1.32

0.157

Time in theatre

0.96

0.91

1.02

0.214

Type of anaesthesia

1.08

0.99

1.18

0.084

PACU-LOS

1.01

1.00

1.02

<0.001

ICU-admission

1.05

0.85

1.31

0.639

  1. Each variable was considered as an individual exposure and adjusted for the other 11 variables within the same model.
Back to article page