The salutary effect of peritoneal dialysis catheters on enhanced recovery among high-risk pediatric patients undergoing the left coronary transfer procedure: a cohort study

Table 4 Association between patients’ characteristics and the ratio of general ward/ICU length of stay based on multivariable linear regression analysis

Variables	Univariate analysis	Multivariate analysis
Variables	B (95% CI)	P	B (95% CI)	P
LVEF > 50% (yes/no)	2.57 (1.38, 3.76)	< 0.001	1.82 (0.52, 3.12)	0.007
Age > 12 mo (yes/no)	0.02 (0.01, 0.04)	0.006	1.61 (0.31, 2.91)	0.016
Weight (per 1 kg increment) *	0.07 (0.01, 0.12)	0.019
Moderate/severe MR (yes/no)	−0.09 (−1.40, 1.23)	0.894
CPB (per 1 min increment) *	− 0.01 (− 0.02, 0.00)	0.193
Hemoglobin (per 1 mg/dL increment) *	0.06 (0.02, 0.10)	0.009
Serum creatinine (per 1 mg/dL increment) *	4.00 (−1.63, 9.62)	0.161
Albumin (per 1 g/dL increment) *	−0.02 (−0.23, 0.20)	0.872
PDC (yes/no)	−2.88 (−4.46, −1.31)	< 0.001
Severe AKI (yes/no)	−1.21 (− 2.72, 0.29)	0.113
FO postoperative day 1 (per 1% increment) *	−0.08 (−0.18, 0.02)	0.131

*Those confounding variables were entered into the regression analyses in the form of continuous data. ICU intensive care unit; CI confidence interval; LVEF left ventricular ejection fraction; MR moderate regurgitation; PDC peritoneal dialysis catheter; AKI acute kidney injury; FO fluid overload

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