Table 6

Univariate and multivariate logistic regression analysis for extended hospital LOS.

Variable	Univariate Model		Multivariate Model
Variable	OR (95% CI)	P Value	Adjusted OR (95% CI)	P Value
Age	1.5 (1.1–2.1)	0.307	1.4 (1.1–2.0)	0.022
Female sex	3.4 (0.9–22.0)	0.116	6.2 (1.4–16.3)	0.034
Days to oral pain medication only	2.0 (0.9–4.6)	0.014	2.1 (1.0–4.8)	0.062
Days to ambulation	2.3 (1.3–4.2)	0.006	-	-
Tranexamic acid given	0.2 (0.1–0.6)	0.002	-	-
Aminocaproic acid given	5.0 (1.7–14.6)	0.003	-	-
Drain use	0.0 (0.0–0.0)	0.992
Persistent tachycardia	1.9 (0.7–4.9)	0.172	-	-
Fever	2.0 (0.8–5.0)	0.151	-	-
Atelectasis	2.6 (0.3–14.2)	0.293	-	-
Procedure time, h	1.7 (1.2–2.6)	0.005	1.8 (1.1–2.9)	0.015
Ambulation steps on first day of ambulation	1.0 (1.0–1.0)	0.707	-	-
Pediatric intensive care unit LOS	2.0 (1.2–3.4)	0.013	2.0 (1.2–4.1)	0.019