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Table 1 Descriptive statistics by type of hospital stay

From: Outcomes associated with observation versus short-stay admission among chest pain patients in the Veterans Health Administration

Variable Observation stay Short-stay inpatient p-value
Age in years (SD) 62.2 (12.1) 62.3 (11.9) 0.1851
Female (%) 7.0 6.4 <0.0001
Race (%)
 Asian 0.8 1.0 <0.0001
 Black 19.4 23.0
 Hispanic 2.4 4.1
 Native American 0.8 0.8
 White 76.6 71.0
Homeless (%) 1.1 1.2 0.0325
Count of comorbidities (SD) 1.5 (2.2) 1.6 (2.2) <0.0001
Rurality of residence (%)
 Isolated 7.0 5.1 <0.0001
 Small rural 8.4 5.7
 Large rural 12.9 9.5
 Urban 71.7 79.8
Copayment category (%)
 No copayment 9.5 9.2 <0.0001
 Reduced copayment 1.6 2.0
 Full copayment 89.0 88.9
Length of stay in days (SD) 0.86 (0.56) 1.12 (0.45) <0.0001
Fiscal year (%)
 2005 7.1 11.2 <0.0001
 2006 7.7 11.2
 2007 8.1 11.5
 2008 8.3 11.8
 2009 9.6 12.1
 2010 11.6 12.5
 2011 13.4 11.0
 2012 17.0 10.0
 2013 17.2 8.7
Sample size N = 42,704 N = 71,339  
  1. SD standard deviation