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Table 2 Incidence rates of any osteoporotic fractures* for study population, by age and sex

From: Risk of osteoporotic fracture in a large population-based cohort of patients with rheumatoid arthritis

Age (years) RA patients Non-RA patients§  
  Fractures, N Person-years IR
(95% CI)
Fractures, N Person-years IR
(95% CI)
RR (95% CI)
All        
All ages 872 91,315 9.6
(8.9-10.2)
3,096 488,929 6.3
(6.1-6.6)
1.51
(1.40-1.63)
   < 50 92 31,458 2.9
(2.3-3.5)
285 164,629 1.7
(1.5-1.9)
1.69
(1.34-2.14)
   50-64 225 39,376 5.7
(5.0-6.5)
769 203,945 3.8
(3.5-4.0)
1.51
(1.30-1.75)
   65-74 186 11,278 16.5
(14.1-18.9)
504 65,018 7.8
(7.1-8.4)
2.13
(1.80-2.52)
   75-84 236 7,043 33.5
(29.2-37.8)
900 41,385 21.8
(20.3-23.2)
1.54
(1.33-1.78)
   85+ 133 2,160 61.6
(51.1-72.1)
638 13,952 45.7
(42.2-49.3)
1.35
(1.12-1.63)
Women        
All ages 742 66,785 11.1
(10.3-11.9)
2,653 355,094 7.5
(7.2-7.8)
1.49
(1.37-1.62)
   < 50 73 23,267 3.1
(2.4-3.9)
197 121,361 1.6
(1.4-1.9)
1.94
(1.48-2.54)
   50-64 180 28,631 6.3
(5.4-7.2)
652 145,980 4.5
(4.1-4.8)
1.41
(1.20-1.66)
   65-74 166 8,006 20.7
(17.6-24)
436 45,729 9.5
(8.6-10.4)
2.18
(1.82-2.61)
   75-84 204 5,153 39.6
(34.2-45)
780 30,532 25.6
(23.8-27.3)
1.55
(1.33-1.81)
   85+ 119 1,768 67.3
(55.2-79.4)
588 11,492 51.2
(47.0-55.3)
1.32
(1.08-1.61)
Men        
All ages 130 24,530 5.3
(4.4-6.2)
443 133,835 3.3
(3.0-3.6)
1.60
(1.32-1.95)
   < 50 19 8,231 2.3
(1.3-3.4)
88 43,268 2.0
(1.6-2.5)
1.14
(0.69-1.87)
   50-64 45 10,745 4.2
(3.0-5.4)
117 57,965 2.0
(1.7-2.4)
2.07
(1.47-2.92)
   65-74 20 3,272 6.1
(3.4-8.8)
68 19,289 3.5
(2.7-4.4)
1.73
(1.05-2.85)
   75-84 32 1,890 16.9
(11.1-22.8)
120 10,853 11.1
(9.1-13.0)
1.53
(1.04-2.26)
   85+ 14 392 35.8
(17.0-54.5)
50 2,460 20.3
(14.7-26.0)
1.76
(0.97-3.18)
  1. Rates are shown per 1,000 person-years.
  2. §, 1:5 matched on age and sex; *, includes incident fractures of hip, wrist, pelvis, or humerus; , unadjusted. CI, confidence interval; IR, incidence rates;. RR, rate ratio.