Table 1.

Patient characteristics for the study sample from 7 clinics in southern Alberta

CHARACTERISTICRC (n = 689), % (95% CI)CCs (n = 1778), % (95% CI)TOTAL (n = 2467), % (95% CI)
Female sex48.47 (44.74–52.22)45.28 (42.96–47.59)46.17 (44.20–48.14)
Age ≥ 60 years54.14 (50.41–57.86)58.16 (55.86–60.45)57.03 (55.08–58.99)
≥ 4 encounters each year (from 2009 to 2012)*58.49 (54.81–62.17)42.18 (39.88–44.48)46.74 (44.77–48.71)
Comorbid chronic condition85.49 (82.85–88.12)80.60 (78.76–82.43)81.96 (80.44–83.48)
Hypertension§70.25 (66.83–73.66)64.62 (62.40–66.85)66.19 (64.33–68.06)
≥ 2 comorbid conditions*54.67 (50.64–58.70)43.13 (40.56–45.69)46.49 (44.31–48.66)
  • CC—comparison clinic, CPCSSN—Canadian Primary Care Sentinel Surveillance Network, RC—reference clinic.

  • * Comparison between RC and CCs ( Embedded Image2 test), P < .001.

  • Comparison between RC and CCs ( Embedded Image2 test), P < .01.

  • Extracted using CPCSSN case definition algorithms for hypertension, osteoarthritis, chronic obstructive pulmonary disease, depression, dementia, epilepsy, and parkinsonism, which have been validated with adequate to good specificity, sensitivity, and predictive value.6

  • § Extracted using the CPCSSN case definition algorithm (sensitivity of 84.9%, specificity of 93.5%, positive predictive value of 92.9%, and negative predictive value of 86.0%).6