Predictors of postoperative complication and prolonged intensive care unit stay after complete pericardiectomy in tuberculous constrictive pericarditis

Table 4 Cox regression analysis of factors associated with the length of ICU stay

Variables	Univariate analysis			Multivariate analysis
Variables	P value	HR	95% CI	P value	HR	95% CI
Sex	0.639	1.139	0.662–1.957
Age	0.040	1.014	1.001–1.027	0.559	1.004	0.990–1.019
Symptom duration	0.333	1.031	0.969–1.096
Preoperative NYHA functional class	0.042	1.408	1.013–1.957	0.470	1.134	0.806–1.595
Hypertension	0.242	1.449	0.778–2.703
Diabetes	0.481	1.387	0.558–3.448
Arrhythmia	0.533	1.209	0.665–2.199
Body weight	0.800	1.003	0.983–1.022
SBP	0.424	1.007	0.990–1.024
DBP	0.364	1.009	0.989–1.030
Pulse rate	0.742	1.003	0.987–1.018
Preoperative CVP	0.509	1.016	0.969–1.065
Pleural effusion	0.255	1.285	0.834–1.980
Ascites	0.164	1.380	0.877–2.171
Pericardial effusion	0.953	1.016	0.599–1.724
Pericardial calcification	0.897	1.034	0.620–1.727
Pericardial thickness	0.807	1.009	0.938–1.085
LVEF	0.534	1.012	0.975–1.051
Hepatomegaly	0.482	2.043	0.280–14.927
Hemoglobin	0.657	1.004	0.987–1.020
CRP	0.481	1.005	0.992–1.017
ESR	0.979	1.000	0.989–1.011
Albumin	0.537	1.016	0.966–1.068
Serum sodium	0.473	1.025	0.957–1.098
Serum potassium	0.410	1.223	0.757–1.977
Serum creatinine	0.542	1.005	0.989–1.021
Operative duration	0.519	1.001	0.997–1.006
Blood loss	0.145	1.001	1.000–1.003
Intraoperative fluid infusion	0.642	1.000	1.000–1.001
Postoperative CVP	0.480	1.016	0.972–1.063
Postoperative complication	< 0.001	4.505	2.494–8.130	< 0.001	4.132	2.217–7.692

HR hazard ratio, CI confidence interval, NYHA New York Heart Association, SBP systolic blood pressure, DBP diastolic blood pressure, CVP central venous pressure, LVEF left ventricular ejection fraction (measured on echocardiogram), CRP C-reactive protein, ESR erythrocyte sedimentation rate

ISSN: 1749-8090