Table 2 Absolute risk and percentages of subsequent fractures occurring at various times after first fracture, with 95% CIs
Years from first fracture onwardsNo. of subsequent fractures after the first fractureAbsolute risk, n = 924 (95% CI)Percentage of all fractures after first fracture, n = 243 (95% CI)
0–1566.1 (4.5 to 7.6)23.0 (18.1 to 28.0)
0–513215.9 (13.4 to 18.4)54.3 (48.5 to 60.2)
0–1019527.1 (23.8 to 30.5)80.2 (75.6 to 84.9)
0–1522335.7 (31.5 to 39.8)91.8 (88.6 to 94.9)
0–2023240.2 (35.4 to 45.0)95.5 (93.1 to 97.9)
Interval:
0–1566.1 (4.5 to 7.6)23.0 (18.1 to 28.0)
2–5769.8 (7.9 to 11.8)31.3 (25.8 to 36.8)
6–106311.2 (9.2 to 13.3)25.9 (20.8 to 31.1)
11–15288.5 (6.7 to 10.411.5 (9.5 to 13.5)
16–2094.5 (3.4 to 5.7)3.7 (3.1 to 4.4)