Table 2 National register: relative risk (RR) of sustaining a fragility fracture in comparison to baseline age 40 years

40-

3.8

1

9.56

1

45-

16.6

4.38

14.78

1.55

50-

7.10*

1.87

38.27

4.00

55-

14.5

3.82

49.6

5.19

60-

127.0

33.53

193.2

20.24*

65-

82.0

21.64

317.87

33.35

70-

186.5

49.26

437.5

45.96

75 + 

393.1

104.04

761.2

80.21

Extended Mantel–Haenszel chi-square for linear trend = 

1291.36

2803.97

*p value (1 degree of freedom)

 < 0.0000001

 < 0.0000001