Risk factors for perioperative acute heart failure in older hip fracture patients and establishment of a nomogram predictive model

Table 3 Independent predictors of perioperative acute heart failure in the multivariate analysis

Variables	Regression coefficient	Standard error	Wald χ² value	OR (95%CI)	P
Respiratory diseases	2.039	0.356	32.788	7.68 (3.82, 15.43)	0.001
History of heart disease (chronic heart failure excluded)	0.792	0.318	6.191	2.21 (1.18, 4.12)	0.010
ASA class ≥ 3	2.671	0.316	71.337	14.46 (7.78, 26.87)	0.001
Preoperative waiting time ≤ 2 day	1.200	0.467	6.599	3.32 (1.33, 8.30)	0.010

95% CI 95% confidence interval, OR odds ratio, ASA American Society of Anesthesiologists classification

ISSN: 1749-799X