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Table 5 The potential risk factors of PRF in multivariate analysis

From: Risks of postoperative respiratory failure in elderly patients after hip surgery: a retrospective study

 

Wald χ2

P

OR (95% CI)

Pulmonary hypertension

4.081

0.039

1.132 (1.003–1.251)

Obstructive pulmonary disease

15.276

< 0.001

13.298 (4.021–43.298)

Bronchiectasis and emphysema

25.672

< 0.001

45.387 (11.231–187.87)

Previous history of respiratory failure

11.029

0.001

8.389 (2.391–21.982)

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Journal of Orthopaedic Surgery and Research

ISSN: 1749-799X