TABLE 2.

Clinical outcomes comparing ES to NES for PA

Covariate	Total, N = 30,488	ES, n = 16,373	NES, n = 14,115	OR, 95% CI	p Value
GTR, no. (%) [Q9: What is denominator for next 3 entries in this row?]	10,842 (75.5)	5,493 (73.9)	5,349 (77.2)	0.839, 0.778–0.906	<0.01*
LOS in days, ± SD	3.9 ± 5.3	3.7 ± 4.6	4.3 ± 6.1	0.975, 0.970–0.980	<0.01*
Readmission w/in 30 days of surgical discharge, no. (%)	1,210 (4.0)	621 (3.8)	589 (4.2)	0.904, 0.806–1.014	0.09
Adjuvant radiation, no. (%)	1,275 (4.2)	577 (3.5)	630 (4.5)	0.784, 0.701–0.877	<0.01*
30-day mortality, no. (%)	201 (0.8)	83 (0.6)	118 (1.0)	0.642, 0.485–0.851	<0.01
90-day mortality, no. (%)	327 (1.3)	137 (1.1)	190 (1.6)	0.658, 0.528–0.821	<0.01*

The p values indicate chi-square test for categorical or independent t-test for continuous variables in comparing ES to NES. The OR values are calculated with univariate logistic regression comparing ES to NES use. Boldface type indicates statistical significance.

^*p values < 0.001.