Skip to main content

Table 1 Patient and Hospital Demographics: Patients with and without severe visual impairment/Blindness (SVI/B) from the National Inpatient Sample Database (2017)*

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

  Patients without SVI/B Patients with SVI/B p-value
Total 30,363,917 (99.8) 37,200 (0.2)  
Age in years, mean \(\pm\) SE 57.9 \(\pm\) 0.09 66.4 \(\pm\) 0.24 < 0.01
Female, n (%) 17,519,980 (57.7) 18,600 (50.0) < 0.01
Race, n (%)    < 0.01
White 20,404,552 (67.2) 20,832 (56.0)  
Black 4,615,315 (15.2) 9,114 (24.5)  
Hispanic 3,340,030 (11.0) 5,022 (13.5)  
Asian or Pacific Islander 819,825 (2.7) 818 (2.2)  
Insurance, n (%)    < 0.01
Medicare 14,939,047 (49.2) 28,160 (75.7)  
Medicaid 5,799,508 (19.1) 5,056 (14.8)  
Private 8,350,077 (27.5) 3,013(8.1)  
Uninsured 1,214,556 (4.0) 483 (1.3)  
Median income (USD),
n (%)
   < 0.01
$1-$38,999 9,230,630 (30.4) 14,024 (37.7)  
$39,000-$47,999 8,046,438 (26.5) 9,672 (26.0)  
$48,000-$62,999 7,105,156 (23.4) 7,551 (20.3)  
$63,000 or more 5,920,963 (19.5) 5,877 (15.8)  
Hospital Bed size, n (%)    0.14
Small 6,103,147 (20.1) 7,068 (19.0)  
Medium 8,957,355 (29.5) 10,899 (29.3)  
Large 15,273,050 (50.3) 19,158 (51.5)  
Hospital Region, n (%)    < 0.01
Northeast 5,678,052 (18.7) 5,840 (15.7)  
Midwest 6,801,517 (22.4) 7,886 (21.2)  
South 11,933,019 (39.3) 15,438 (41.5)  
West 5,890,599 (19.4) 7,960 (21.4)  
Teaching hospital, n (%)    0.17
Non-teaching, n (%) 3,643,670 (12.0) 4,203 (11.3)  
Teaching, n (%) 26720,247 (88.0) 32,996 (88.7)  
  1. *Analyses used Pearson’s χ2 test and one-way analysis of variance for categorical and continuous variables respectively.
  2. SVI/B: Severe Vision Impairment/Blindness