Table 4.

Differences and odds ratios for in-hospital outcomes in SVI/B patients with and without obesity ages 18 years and older from the National Inpatient Sample (2017)

Outcome	Non-obese and SVI/B N = 32,201	Obese and SVI/B N = 4,999	Univariate Mean Difference	(95 % CI)	P-value	Multivariate Mean Difference	(95 % CI)	P-value
Mean length of stay, days	6.0	6.4	0.4	(-0.3-1.0)	0.06	0.5	(-0.1- 1.2)	0.12
Mean charge per case, US dollars	$58,882	$67,456	$8,574	(1,805 − 15,662)	0.01	$9,821	(1,375 − 18,268)	0.02
			Univariate Odds Ratio			Multivariate Odds Ratio
In-hospital mortality, n (%)	1,320 (4.1)	154 (3.1)	0.7	(0.5-1.0)	0.1	0.64	(0.4-1.0)	0.07
Discharged to home, n (%)	12,268 (38.1)	2,154 (43.1)	1.2	(1.0-1.3)	< 0.01	1.0	(0.9–1.2)	0.68

*Variables adjusted for confounders in multivariate analysis include age, gender, race, median household income, insurance and comorbidities measured using the Charlson comorbidity index), hospital bed size, teaching status, urban location, and region

SVI/B: Severe vision impairment/blindness