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Table 3 Odd ratios and differences for in-hospital outcomes in patients with and without severe vision impairment/blindness (SVI/B) ages 18 years and older from the National Inpatient Sample (2017)

From: Severe vision impairment and blindness in hospitalized patients: a retrospective nationwide study

Outcome Patients without
SVI/B
N = 30,363,917
Patients with
SVI/B
N = 37,200
Univariate
Odds Ratio
(95 % CI) P-value Multivariate
Odds Ratio
(95 % CI) P-value
In-hospital mortality, n (%) 668,008 (2.2) 1,450 (3.9) 1.8 (1.6-2.0) < 0.01 1.2 (1.0-1.4) 0.01
Discharged to home, n (%) 19,250,723 (63.4) 14,656 (39.4) 0.37 (0.35–0.39) < 0.01 0.54 (0.51–0.58) < 0.01
    Univariate
Mean Difference
   Multivariate
Mean Difference
  
Mean length of stay, days 4.72 6.05 1.33 (1.18–1.48) < 0.01 0.5 (0.3–0.7) < 0.01
Mean charge per case, US dollars 53,388 59,900 $6,512 (4,211-8,811) < 0.01 $247 (-2474–2929) 0.85
  1. *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
  2. SVI/B: Severe vision impairment/blindness