Table 3.

Utilization Outcomes and Mortality Following Index Date among Subjects Receiving Geriatric Intervention and Sex and Propensity-Matched Controls*

OutcomeCrude Rate (per 100 Person-Years)Rate Ratios (95% Confidence Interval)
Intervention (N = 146)Control (N = 437)CrudeConditional on Propensity ScoreConditional with Adjustment
Medical/surgical specialty visits3554250.83 (0.76, 0.91)0.93 (0.77, 1.12)0.95 (0.79, 1.15)
Outpatient visits159016200.98 (0.94, 1.02)1.01 (0.90, 1.13)1.03 (0.92, 1.15)
Admission to nursing home8.37.61.1 (0.6, 2.0)1.1 (0.6, 1.9)0.92 (0.48, 1.78)
Mortality6.26.11.0 (0.5, 2.0)1.0 (0.5, 2.0)1.12 (0.52, 2.40)
14-day prescription of high-risk medication1422670.53 (0.47, 0.61)0.73 (0.49, 1.09)0.76 (0.50, 1.14)
  • * Intervention and control were matched by a propensity score, which was derived to account for demographic, clinical, and utilization factors that predicted selection for the intervention.

  • Adjusted for age (linear and quadratic), heart disease, and dementia and/or Parkinson’s disease.