Table 3

The characteristics of the study populations

Development Data (N~5 00 000)MDCR Data (N~1 60 956)MDCD Data (N~5 39 813)
Mean Age in years (SD)40 (15)75 (7.8)34 (16.6)
Male gender %313227.1
Mean days prior observation (SD)1474 (1205)1585 (1192)1244 (885)
Condition recorded in prior year (% of patients)
 Neoplastic disease21.145.713.4
 Pain60.174.472.8
 Anxiety41.328.650.8
 Respiratory tract infection15.912.022.2
 Dementia0.00.90.1
 Obesity10.510.617.9
 Diabetes mellitus8.927.013.5
 Hypertensive disorder24.769.029.4
 Heart disease9.246.514.0
 Hyperlipidaemia23.356.319.8
  • MDCD, Multi-state Medicaid Database; MDCR, Medicare Supplemental Database.