Development and validation of risk prediction nomograms for acute respiratory failure in elderly patients with hip fracture

Table 3 Results of multivariate logistic regression

Level	OR	CI	P
Anchor_age	0.98	0.97–0.99	0.04
Height	0.94	0.91–0.97	0.00
Albumin	0.80	0.65–0.99	0.04
Creatinine	1.04	0.91–1.19	0.57
Chloride	0.97	0.94–0.99	0.03
Ast	0.99	0.99–1.00	0.16
Race	0.77	0.55–1.09	0.14
Pneumonia	2.18	1.54–3.12	0.00
Aki	2.89	2.10–4.02	0.00
Copd	1.11	0.78–1.58	0.55
Myocardial_infarction	1.05	0.75–1.47	0.76
Cardiac_dysrhythmia	1.11	0.79–1.54	0.55
Heart_failure	1.29	0.91–1.84	0.15
Heparin	2.54	1.54–4.20	0.00
Antibiotic treatment	1.98	0.71–5.55	0.19

Note: Variables significantly associated with the risk of respiratory failure in patients with hip fractures are highlighted in bold (P < 0.05)

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