TABLE 3

Singletons Versus Multiples: Comparison of RAR Frequencies (per 100 000 orders) Between the ID Reentry Intervention and Baseline Periods and Between the Combined Intervention and Baseline Periods

Study PeriodTotal OrdersRAR EventsFrequency (per 100 000 Orders)Effect Compared With Baseline (P)
Singletons
 Baseline279 326314112.4
 ID reentry intervention190 48611057.7−48.6% (<.001)
 Combined intervention246 83110241.3−63.2% (<.001)
Multiples
 Baseline63 71988138.1
 ID reentry intervention32 2312474.5−46.1% (.055)
 Combined intervention38 1972873.3−46.9% (.024)