Analysis of Bone Mineral Density/Content of Paratroopers and Hoopsters

Table 6

BMD (g/cm²) of the different anatomical locations in subgroup I.

Variables	Paratroopers^a ()	Hoopsters^b ()	Controls^c ()
Calcaneus	0.81 ± 0.94	0.88 ± 0.92^c	0.79 ± 0.48
First metatarsal	0.49 ± 0.66	0.59 ± 0.85^a,c	0.50 ± 0.57
Second metatarsal	0.43 ± 0.44	0.51 ± 0.64^c	0.40 ± 0.47
Third metatarsal	0.40 ± 0.75	0.43 ± 0.95^c	0.33 ± 0.33
Fourth metatarsal	0.37 ± 0.08	0.35 ± 0.05	0.30 ± 0.05
Fifth metatarsal	0.36 ± 0.09	0.35 ± 0.04	0.31 ± 0.05
Lumbar spine (L1–L4) L1	0.96 ± 0.04	1.05 ± 0.05	0.94 ± 0.10
L2	1.00 ± 0.05	1.13 ± 0.03	1.01 ± 0.10
L3	1.04 ± 0.06	1.21 ± 0.04^a,c	1.06 ± 0.10
L4	1.03 ± 0.04	1.13 ± 0.09	1.07 ± 0.06
Ltotal	1.01 ± 0.04	1.13 ± 0.04^a,c	1.02 ± 0.08
Left femoral neck	0.96 ± 0.08	1.21 ± 0.13^a,c	0.96 ± 0.10
Left hip	0.99 ± 0.08	1.25 ± 0.09^a,c	1.05 ± 0.09
Right femoral neck	0.95 ± 0.11	1.23 ± 0.08^a,c	0.95 ± 0.09
Right hip	0.98 ± 0.08	1.24 ± 0.07^a,c	1.05 ± 0.07

Note. Data are means ± SD; ^asignificantly different with paratroopers, ; ^bsignificantly different with hoopsters, ; ^csignificantly different with controls, .