Predictors of paravalvular aortic regurgitation after surgery for Behcet’s disease-related severe aortic regurgitation

Table 2 Cox proportional hazard regression model for predicting paravalvular leakage development in 76 aortic valve surgeries

	Univariable analysis			Multivariable analysis
	HR	95% CI	P value	HR	95% CI	P value
Age at the time of surgery (years)	0.98	0.95–1.01	0.147	1.01	0.98–1.05	0.463
Female sex	0.13	0.02–0.91	0.040	0.09	0.01–0.79	0.030
ESR (mm/hr)	1.00	0.98–1.02	0.905
Number of OHS performed	0.79	0.47–1.34	0.381
Use of preoperative IST	0.40	0.17–0.95	0.038
Use of postoperative IST	0.23	0.10–0.53	< 0.001	0.38	0.17–0.89	0.025
Concomitant ARR	0.13	0.05–0.33	< 0.001	0.17	0.08–0.36	< 0.001

HR Hazard ratio, CI confidence interval, ESR erythrocyte sediment rate, OHS open heart surgery, IST immunosuppressive therapy, ARR aortic root replacement

ISSN: 1750-1172