Table 3

Comparison of hypertensive patient characteristics in the CPCSSN database in Alberta and the linked EMR-administrative cohort

Primary care EMR data
(all patients with hypertension)
Linked admin-EMR data (hypertension cohort)
Data sourceCPCSSN data in Alberta up to 30 June 2018; patients with at least one visit in last 2 yearsCPCSSN data in Alberta linked to AHCIP Registry and other admin databases
Total adults, N50 3426307
Female, n (%)25 865 (51.4)3395 (53.8)
Male, n (%)24 475 (48.6)2912 (46.2)
Age, mean (SD)65.4 (14.1)64.7 (14.1)
Age groups, n (%)
 20–39 years2247 (4.5)330 (5.2)
 40–59 years14 020 (27.8)1790 (28.4)
 60–69 years14 030 (27.9)1833 (29.1)
 70–79 years11 662 (23.2)1397 (22.1)
 80 years and older8383 (16.7)957 (15.2)
Urban, n (%)37 507 (76.1)4312 (69.5)
Rural, n (%)11 783 (23.9)1896 (30.5)
Missing/unknown residence or postal code, n (%)1053 (2.1)99 (1.6)
  • AHCIP, Alberta Health Care Insurance Plan; CPCSSN, Canadian Primary Care Sentinel Surveillance Network; EMR, electronic medical record.;