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Table 4 Cumulative prevalence estimate by sex and age bands based on GP records

From: The prevalence of giant cell arteritis and polymyalgia rheumatica in a UK primary care population

Age Na Female Male PMR Female Male GCA Female Male
     N Pr (95 % CI) N Pr (95 % CI) N Pr (95 % CI) N Pr (95 % CI) N Pr (95 % CI) N Pr (95 % CI)
55–60 978 500 478 1 0.10 (0.00, 0.30) 1 0.20 (0.00, 0.59) 0   1 0.10 (0.00, 0.30) 0   1 0.21 (0.00, 0.62)
60–69 1902 989 913 20 1.05 (0.59, 1.51) 15 1.52 (0.76, 2.28) 5 0.55 (0.07, 1.03) 3 0.16 (0.00, 0.34) 3 0.30 (0.00, 0.65) 0
70–79 1412 700 712 49 3.47 (2.52, 4.43) 33 4.71 (3.14, 6.28) 16 2.25 (1.16, 3.33) 6 0.43 (0.09, 0.76) 4 0.57 (0.01, 1.13) 2 0.28 (0.00, 0.67)
80–89 695 395 300 40 5.76 (4.02, 7.49) 20 5.06 (2.90, 7.22) 20 6.67 (3.84, 9.49) 9 1.30 (0.45, 2.14) 5 1.27 (0.16, 2.37) 4 1.33 (0.04, 2.63)
90–100 166 116 50 7 4.22 (1.16, 7.27) 5 4.31 (0.62, 8.01) 2 4.00 (0.00, 9.43) 2 1.72 (0.00, 4.09) 2 1.72 (0.00, 4.09) 0
100+ 6 6 0 0 N/A N/A 0 N/A N/A
Total 5159 2706 2453 117 2.27 (1.86, 2.67) 74 2.74 (21.12, 3.35) 43 1.75 (1.23, 2.27) 21 0.41 % (0.23, 0.58) 14 0.52 (0.25, 0.79) 7 0.29 (0.07, 0.50)
  1. Pr cumulative prevalence
  2. aN total number of people registered with the practice