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Table 1 Study and patient characteristics of the quality circle project

From: Optimizing care in osteoporosis: The Canadian quality circle project

  Baseline 1st Follow-up
Study characteristics: n   
   Number of provinces 7 7
   Number of cities 109 97
   Number of circles 34 34
   Number of physicians 340 301
   Number of chart reviews 8376 7354
Risk factors for fracture: n with characteristic/total n (%)   
   Age ≥ 65 yrs 5337/8362 (63.8) 4440/7341 (60.5)
   Prior hip fracture 152/8366 (1.8) 187/7344 (2.6)
   Prior wrist fracture 353/8367 (4.2) 393/7345 (5.3)
   Prior vertebral fracture 486/8365 (5.8) 481/7339 (6.6)
   Family history of fracture 431/8368 (5.2) 649/7337 (8.9)
   At least 1 fall in the previous 12 months 926/8365 (11.1) NA*
   Oral Prednisone therapy (> 3 months) 353/8366 (4.2) NA*
   Menopause before age 45 yrs 689/8364 (8.2) 643/7339 (8.8)
   Any other major risk factor 3485/8364 (41.7) 1166/7329 (25.1)
   Two or more minor risk factors 1467/8356 (17.6) 1378/7326 (18.8)
   High risk 6486/8376 (77.4) 5569/7354 (75.7)
Bone density testing: n with characteristic (%) n = 8371 n = 7328
   No test 2822 (33.7) 1897 (25.9)
   T-score: >-1 1490 (17.5) 1295 (17.7)
   T-score: -1 to -2.5 2028 (24.2) 2282 (31.4)
   T-score: <-2.5 1774 (21.2) 1272 (17.4)
   Test results pending 257 (3.1) 582 (7.9)
  1. *NA = not available (it was not measured during follow-up).