Table 1Patient, hospital, and stay characteristics for weekday and weekend admissions, 2007

CharacteristicAll admissionsWeekday admissionsWeekend admissions
All stays (thousands)39,54231,8827,660
 Percentage of all admissions81%19%
Patient Characteristics
 Average age (years)47.247.446.6
 Median household income for patient’s ZIP Code
  $1–38,99929%29%30%
  $39,000–47,99925%25%25%
  $48,000–62,99922%23%22%
  $63,000+21%21%20%
 Percentage male41%41%42%
Hospital Characteristics
 Bed size percentage distribution
  Small12%12%12%
  Medium24%24%24%
  Large64%64%63%
 Percentage teaching47%48%47%
 Percentage urban87%87%87%
 Region percentage distribution
  Northeast20%20%20%
  Midwest23%23%23%
  South39%39%38%
  West19%19%19%
Stay characteristics
 Average length of stay (days)4.64.64.6
 Percentage maternal/newborn stay24.8%24.7%25.6%
 Percentage elective admissions24.6%28.0%*10.6%*
 Percentage admitted from emergency department47.8%43.6%*65.3%*
 Percentage with external cause of injury as principal diagnosis7.6%7.2%9.4%
 Percentage died1.9%1.8%*2.4%*
 Average cost$8,700$8,800*$8,200*
 Percentage of discharges by payer
  Medicare36%36%37%
  Medicaid19%19%21%
  Private insurance35%35%32%
  Uninsured6%6%7%
  Other3%4%3%
*

Differences between weekday and weekend admissions significant at the 0.05 level or better.

Source: AHRQ, Center for Delivery, Organization, and Markets, Healthcare Cost and Utilization Project, Nationwide Inpatient Sample (NIS), 2007

From: Characteristics of Weekday and Weekend Hospital Admissions

Cover of Healthcare Cost and Utilization Project (HCUP) Statistical Briefs
Healthcare Cost and Utilization Project (HCUP) Statistical Briefs [Internet].

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