. Author manuscript; available in PMC: 2020 Dec 1.

Published in final edited form as: Osteoporos Int. 2020 Mar 16;31(6):1059–1067. doi: 10.1007/s00198-019-05274-2

Table 2. Baseline bone mineral density Z-scores according to prior fracture status.

	No fracture	High-trauma fracture	Low-trauma fracture
	Mean (95% CI)	Mean (95% CI)	Mean (95% CI)
Any fracture	N=64,626	N=858	N=14758
Femur neck	0.06 (0.06:0.07)	-0.33 (-0.39:-0.26) ^***	-0.25 (-0.27:-0.24) ^***
Total hip	0.26 (0.25:0.27)	-0.24 (-0.31:-0.16) ^***	-0.16 (-0.18:-0.14) ^***
Lumbar spine	0.27 (0.25:0.28)	-0.18 (-0.29:-0.08) ^***	-0.19 (-0.22:-0.17) ^***

Any major osteoporotic fracture	N=68,095	N=485	N=11,662
Femur neck	0.05 (0.04:0.06)	-0.41 (-0.49:-0.32) ^***	-0.28 (-0.29:-0.26) ^***
Total hip	0.25 (0.24:0.25)	-0.33 (-0.43:-0.23) ^***	-0.19 (-0.21:-0.17) ^***
Lumbar spine	0.25 (0.24:0.26)	-0.25 (-0.38:-0.12) ^***	-0.24 (-0.27:-0.21) ^***

Hip fracture	N=78,704	N=206	N=1332
Femur neck	0.01 (0.01:0.02)	-0.74 (-0.88:-0.60) ^***	-0.77 (-0.82:-0.73) ^***
Total hip	0.20 (0.19:0.21)	-0.79 (-0.94:-0.63) ^***	-0.87 (-0.93:-0.82) ^***
Lumbar spine	0.19 (0.18:0.20)	-0.42 (-0.63:-0.21) ^***	-0.41 (-0.51:-0.32) ^***

Humerus fracture	N=77,872	74	N=2296
Femur neck	0.01 (0.00:0.02)	-0.49 (-0.67:-0.31) ^***	-0.27 (-0.31:-0.23) ^***
Total hip	0.19 (0.18:0.20)	-0.37 (-0.58:-0.15) ^**	-0.16 (-0.21:-0.11) ^***
Lumbar spine	0.19 (0.18:0.20)	-0.06 (-0.42:0.30)	-0.22 (-0.28:-0.15) ^***

Forearm fracture	N=73,318	N=293	N=6631
Femur neck	0.02 (0.02:0.03)	-0.27 (-0.37:-0.17) ^***	-0.23 (-0.25:-0.21) ^***
Total hip	0.21 (0.20:0.22)	-0.16 (-0.29:-0.04) ^***	-0.12 (-0.14:-0.09) ^***
Lumbar spine	0.22 (0.21:0.23)	-0.35 (-0.51:-0.18) ^***	-0.26 (-0.30:-0.23) ^***

Post hoc Tukey test vs No fracture, * P < 0.05, ** P < 0.01, *** P < 0.001. High-trauma vs Low-trauma all non-significant. Number with prior high-trauma clinical vertebral fractures insufficient for analysis.