Research Article

Bone Mass and Strength and Fall-Related Fractures in Older Age

Table 2

Baseline characteristics in control and exercise groups divided into fallers without fracture (nonfracture) or fallers with fracture (fracture) and adjusted mean difference (95% confidence intervals).

Controls, N = 84 (Anova)Exercisers, N = 103 (Anova)
Nonfracture N = 55Fracture N = 29Nonfracture N = 65Fracture N = 38

Age (y)61.7 (4.8)62.9 (4.1)0.2563.1 (5.8)63.5 (6.2)0.66
Height (cm)161.2 (6.0)161.8 (5.6)0.66161.1 (5.4)160.3 (5.0)0.25
Weight (kg)69.4 (10.9)66.7 (9.4)0.2567.0 (9.7)66.1 (9.5)0.83
DXAMean difference1Mean difference1
 Femoral neck BMD0.824 (0.122)0.764 (0.107)4.8 (−1.3 to 10.5)0.822 (0.135)0.785 (0.091)3.8 (−1.9 to 9.6)
 Trochanter BMD0.906 (0.116)0.840 (0.106)5.4 (−0.1 to 10.7)0.909 (0.140)0.874 (0.090)3.4 (−0.2 to 9.2)
 Distal radius BMD0.367 (0.063)0.314 0(.053)13.4 (6.4 to 22.3)20.350 (0.055)0.318 (0.054)9.4 (3.1 to 15.7)2
Distal tibia, pQCT
 BMC636.4 (86.3)581.2 (84.0)7.7 (1.6 to 13.8)2657.7 (82.1)622.8 (78.7)4.8 (0.2 to 9.5)2
 TrD222.4 (30.0)208.8 (35.8)4.8 (−2.2 to 11.8)225.6 (27.5)217.9 (31.2)3.9 (−1.2 to 9.0)
 BSI864.9 (292.4)725.3 (252.2)10.1 (−4.6 to 24.9)847.0 (284.4)773.2 (249.7)8.1 (−5.2 to 21.5)
Tibial shaft, pQCT
 BMC762.8 (84.3)727.0 (95.3)3.6 (−1.3 to 8.5)774.1 (88.8)741.5 (80.5)3.6 (−0.6 to 7.8)
 CoD1100.3 (30.5)1096.2 (28.4)0.3 (−0.9 to 1.6)1095.5 (33.7)1094.5 (31.7)0.1 (−1.1 to 1.2)
 CoA277.0 (27.6)265.1 (33.1)3.2 (−1.1 to 7.5)282.5 (29.5)270.7 (26.1)3.5 (−0.1 to 7.2)
 BSI1629.0 (197.6)1615.1 (251.5)0.3 (−5.4 to 6.0)1683.0 (220.9)1600.1 (238.0)4.2 (−0.9 to 9.2)
Physical performance
 Figure-8 run (s)18.5 (2.4)18.4 (2.3)−0.7 (−6.0 to 4.3)17.1 (1.7)17.7 (1.9)−3.1 (−6.0 to −0.6)2
 Jumping height (cm)17.3 (3.4)18.3 (3.8)−3.8 (−12.0 to 4.4)19.9 (4.3)18.4 (4.2)7.6 (−0.8 to 15.9)
 Grip strength, right hand30.2 (4.5)30.0 (4.3)2.3 (−5.0 to 9.7)30.8 (5.1)28.6 (4.0)4.5 (−1.1 to 10.1)
 Isometric leg extensor (N/kg)17.2 (2.9)17.7 (2.8)−2.8 (−9.5 to 4.0)19.2 (3.5)18.1 (3.9)6.4 (−0.6 to 13.3)
 VO2max (ml/min/kg)26.5 (4.9)27.4 (5.6)−0.9 (−7.2 to 5.4)29.6 (6.1)29.5 (5.8)−0.3 (−5.1 to 4.5)

1Adjusted for age, height, and weight. 2.