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Table 3 Blood pressure recording, patients at risk of stroke and use of aspirin and warfarin in control and intervention facilities, before and after implementation of the intervention.

From: An outreach intervention to implement evidence based practice in residential care: a randomized controlled trial [ISRCTN67855475]

  Control Intervention Statistics
  Before After Before After RR* P value 95% CI
BP Recorded in prior 3 months 36.5 46.4 31.9 46.8 0.94 0.491 0.80 – 1.11
   BP recorded and Systolic BP > 140 mm Hg 50.0 47.7 43.4 46.7 1.01 0.955 0.69 – 1.47
   BP recorded and Diastolic BP > 90 mm Hg 5.7 4.5 4.4 0 #   
At Risk of Stroke 59.0 65.0 54.9 57.7 0.65 0.096 0.39 – 1.08
On Aspirin 38.9 41.0 33.4 35.4 0.98 0.608 0.89 – 1.06
   Residents at risk of stroke and on Aspirin§ 50.3 52.5 41.6 44.1 0.54 0.048 0.29 – 1.00
Residents with Atrial Fibrillation recorded 9.3 10.5 9.4 9.4 0.90 0.688 0.54 – 1.49
   % of Residents with Atrial Fibrillation recorded on Warfarin|| 22.6 17.1 8.6 16.7 0.92 0.900 0.23 – 3.59
  1. Analyses were adjusted for age, gender, level of care, dementia and baseline values. * Comparison of Intervention and Control groups post intervention after adjusting for pre-intervention results and statistically significant covariates. Relative risk unable to be calculated due to insufficient numbers ‡: Control (n = 122) and Intervention (n = 113) § Control (n = 193) and Intervention (n = 212) ||: Control (n = 31) and Intervention (n = 36)