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Table 2 Differences of patients fulfilling the Appropriateness Evaluation Protocol (AEP) criteria

From: The characteristics and prognosis of patients fulfilling the Appropriateness Evaluation Protocol in a medical admission unit; a prospective observational study

  AEP compliant (n = 1,889) AEP non-compliant (n = 1,161) Test
Age 68 (53-79) years 63 (48-74) p < 0.001
Gender (female) 49.1% 46.2% p = 0.12
Mortality 3.9% 0.9% p < 0.001
Mortality 30 days after discharge 9.8% 2.8% p < 0.001
Length of stay 50.0 (16.3-148.0) hours 18.5 (7.6-51.0) hours p < 0.001
Length of stay more than 48 hours (n = 1,291, 42.3%) 75.5% 52.0% p < 0.001
Need for specialized services not included in the AEP criteria (e.g. pacemaker implementation, haemodialysis, coloscopi) 7.2% 3.7% p < 0.001
Readmission within 30 days after discharge 21.7% 16.0% p < 0.001
Readmission within 30 days after discharge when admitted for less than 48 hours 30.7% 29.0% p = 0.43
Co-morbidity defined by one or more co-morbidities according to the Charlson score [10] 59.3% 51.3% p < 0.001
Nursing home resident 5.8% 2.3% p < 0.001
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