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Table 2 Ambulatory care sensitive (ACS) hospitalizations among medical and surgical hospitalizations for patients with and without schizophrenia, Nationwide Inpatient Sample 2003 to 2008 a

From: Schizophrenia and potentially preventable hospitalizations in the United States: a retrospective cross-sectional study

  Percent (95% CI) Odds ratio (95% CI)
  With Without  
Indicator schizophrenia schizophrenia  
Overall ACS hospitalizations: 20.88 (20.55-21.22) 13.13 (12.89-13.37) 1.75 (1.71-1.79)
Acute ACS hospitalizations:    
Bacterial pneumonia 4.87 (4.71-5.03) 1.21 (4.71-5.03) 1.94 (1.87-2.00)
Urinary tract infection 1.65 (1.57-1.73) 1.24 (1.22-1.27) 1.34 (1.27-1.40)
Dehydration 2.57 (2.53-2.62) 0.73 (0.71-0.75) 1.67 (1.58-1.76)
Perforated appendixb 51.41 (47.47-55.06) 26.71 (26.31-27.12) 2.90 (2.51-3.36)
Composite acute ACSc 7.57 (7.39-7.76) 4.43 (4.36-4.50) 1.77 (1.72-1.82)
Chronic ACS hospitalizations:    
CHF 2.99 (2.85-3.13) 2.30 (2.24-2.37) 1.31 (1.25-1.37)
COPD 3.25 (3.10-3.41) 1.37 (1.33-1.41) 2.42 (2.31-2.53)
Asthma 2.10 (2.00-2.21) 1.58 (1.53-1.63) 1.34 (1.28-1.40)
DM long-term complication 1.70 (1.61-1.78) 1.29 (1.26-1.32) 1.32 (1.26-1.39)
DM short-term complication 1.49 (1.41-1.58) 0.92 (0.90-0.94) 1.63 (1.54-1.73)
Hypertension 0.61 (0.56-0.66) 0.58 (0.56-0.60) 1.05 (0.98-1.13)
Angina without procedure 0.28 (0.25-0.31) 0.41 (0.39-0.43) 0.68 (0.61-0.75)
Lower-extremity amputationd 1.02 (0.92-1.12) 1.65 (1.61-1.69) 0.61 (0.55-0.67)
Uncontrolled diabetes 0.84 (0.78-0.91) 0.27 (0.25-0.28) 3.15 (2.95-3.36)
Composite chronic ACS 13.31 (13.02-13.6) 8.70 (8.51-8.89) 1.61 (1.57-1.65)
  1. Abbreviations: ACS, ambulatory care sensitive; CHF, congestive heart failure; COPD, chronic obstructive pulmonary disease; DM, diabetes mellitus; CI, confidence interval.
  2. a Results are nationally weighted and account for stratified sampling.
  3. b Among admissions for appendicitis.
  4. c Does not include admissions for perforated appendix.
  5. d Among admissions for diabetes.