TABLE 4.

Univariate Associations With HLOS

Variable	Median Difference or Correlation (95% CI)	P
No. complications*		<0.001†
0 vs 1	2.5 (1.0–3.9)	<0.001
0 vs ≥2	9.0 (4.9–15.3)	<0.001
1 vs ≥2	6.5 (1.9–12.2)	0.005
Use goal-directed therapy, no vs yes*	1.7 (0.1–3.6)	0.034
Procedure duration‡	0.25 (0.10–0.40)§	0.002
Postoperative hemoglobin‡	−0.22 (−0.37 to −0.07)§	0.006

^*Median difference.

^†P value for the global Kruskal-Wallace test of any difference by number of complications.

^‡Correlation.

^§Values presented are the Spearman correlation (95% CI).