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Table 1 Descriptive statistics of the overall study sample, and by study group. Significant differences between groups were measured using a two sample t-test or the appropriate nonparametric test (Wilcoxon rank-sum test or Chi-square test) if the normality assumption was not met

From: Emergency department-based medication review on outpatient health services utilization: interrupted time series

 Overall Study SampleTreatment Allocation
10,783 (100%)Yes (%)No (%)
Medication Review
 Yes6403 (59.4)59.440.6
Hospital
 VGH7434 (68.9)74.7***60.5***
 LGH2676 (24.8)17.6***26.3***
 RH673 (6.2)7.7***4.1***
Sex   
 Female6031 (55.9)56.555.2
 Male4752 (44.1)43.544.8
Age
 Median (IQR)70 (32)71 (31)**69 (33)**
 19–44 years1904 (17.7)16.918.8
 45–64 years2703 (25.0)24.625.8
 65–79 years2326 (21.6)21.821.1
 80–105 years3850 (35.7)36.734.3
CTAS
 2 (Emergency)2553 (23.7)23.224.3
 3 (Urgent)6241 (57.9)58.357.2
 4 (Semi-Urgent)1896 (17.6)17.617.5
 5 (Non-Urgent)93(0.9)0.80.9
Number of Active Medicationsa
 Mean (SD)8.3 (5.8)8.4 (5.8)*8.1 (5.8)*
Discharged on index visit
 Discharged6544 (60.7)60.361.3
 Admitted4239 (39.3)39.738.7
  1. aWithin 6 months of index visit, *indicates p < 0.05, ** p < 0.01, and ***p < 0.001, by a two sample t-test
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