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Table 3 Number of eligible visits, and number of visits leading to a primary outcome (BMD testing, initiation of osteoporosis medications and nutritional supplements) across the three sites*

From: A knowledge translation tool improved osteoporosis disease management in primary care: an interrupted time series analysis

Site Eligible visits BMD testing Initiation of any osteoporosis medication Initiation of any nutritional supplements (calcium, vitamin D)
  Median (IQR) Total Median (IQR) Total Rate(95% CI) Median (IQR) Total Rate (95% CI) Median (IQR) Total Rate (95% CI)
Combined            
Overall 240.0 (51.75) 12,445 10.00 (7.00) 550 4.42 (4.07-4.80) 1.00 (2.00) 82 0.66 (0.53-0.82) 3.00 (3.75) 191 1.53 (1.32-1.77)
Pre-Intervention 238.0 (49.75) 6,139 7.00 (5.25) 180 2.93 (2.53-3.39) 1.00 (1.00) 25 0.41 (0.27-0.61) 2.00 (2.25) 60 0.98 (0.75-1.27)
Post-Intervention 247.0 (60.50) 6,306 14.00 (16.25) 370 5.87 (5.31-6.48) 2.00 (2.25) 57 0.90 (0.69-1.17) 4.50 (4.25) 131 2.08 (1.75-2.47)
Site One            
Overall 72.50 (25.50) 3,683 3.00 (3.00) 189 5.13 (4.45-5.91) 0.00 (1.00) 21 0.57 (0.36-0.89) 0.00 (0.00) 14 0.38 (0.21-0.65)
Pre-Intervention 69.0 (23.50) 1,852 2.00 (3.00) 68 3.67 (2.88-4.66) 0.00 (1.00) 9 0.49 (0.24-0.96) 0.00 (0.00) 4 0.22 (0.07-0.59)
Post-Intervention 76.50 (30.75) 1,831 4.50 (3.25) 121 6.61 (5.53-7.87) 0.00 (1.00) 12 0.66 (0.36-1.18) 0.00 (1.00) 10 0.55 (0.28-1.04)
Site Two            
Overall 53.50 (15.75) 2,618 1.50 (2.00) 123 4.70 (3.93-5.60) 0.00 (1.00) 20 0.76 (0.48-1.20) 2.00 (2.00) 94 3.59 (2.93-4.39)
Pre-Intervention 52.50 (19.25) 1,219 1.00 (2.00) 40 3.28 (2.38-4.48) 0.00 (1.00) 8 0.66 (0.31-1.34) 1.00 (2.00) 38 3.12 (2.24-4.30)
Post-Intervention 57.00 (19.50) 1,399 2.50 (3.00) 83 5.93 (4.78-7.33) 0.00 (1.00) 12 0.86 (0.47-1.54) 2.00 (3.00) 56 4.00 (3.06-5.20)
Site Three            
Overall 114.50 (28.00) 6,144 4.00 (4.25) 238 3.87 (3.41-4.39) 0.00 (1.00) 41 0.67 (0.49-0.91) 1.00 (3.00) 83 1.35 (1.08-1.68)
Pre-Intervention 114.00 (31.00) 3,068 2.00 (3.00) 72 2.34 (1.85-2.96) 0.00 (1.00) 8 0.26 (0.12-0.54) 0.00 (1.00) 18 0.59 (0.36-0.95)
Post-Intervention 117.50 (31.75) 3,076 5.50 (5.00) 166 5.40 (4.64-6.27) 1.00 (1.25) 33 1.07 (0.75-1.52) 2.00 (3.00) 65 2.11 (1.65-2.70)
  1. *BMD = bone mineral density; IQR = interquartile range; CI = confidence interval.
  2. Combined across the three sites.
  3. Rate is provided per 100 eligible visits.