|
All (754)
|
Osteoporosis (n = 260)
|
Decreased bone mass (n = 287)
|
Normal (n = 207)
|
Two-group comparison
|
|---|
|
Age (years) *
|
74 (69.3, 78.8)
|
72 (68,78)
|
71 (67,75)
|
a,b,c
|
|
BMI (kg/m2) *
|
21.9 (20.3, 24.1)
|
22.7 (20.7,24.3)
|
23.1 (21.4,25.4)
|
a, b
|
|
SMI (kg/m2)*
|
6.07 (5.68,6.71)
|
6.32 (5.79,7.01)
|
6.9 (6.06,7.65)
|
a,b
|
|
Walking speed (m/sec)
|
1.48 (1.28,1.6)
|
1.45 (1.3,1.63)
|
1.47 (1.35,1.6)
|
N.S.
|
|
Knee extension force (N) *
|
313 (253, 384)
|
329.5 (275.5398.1)
|
391.6 (315.8499)
|
a,b
|
|
One-leg standing (sec) *
|
24.1 (8.9, 52)
|
26 (10.5,60)
|
40 (18.6,60)
|
a,b
|
|
Male (276)
|
Osteoporosis (n = 65)
|
Decreased bone mass (n = 95)
|
Normal (n = 116)
| |
|
Age (years) *
|
76 (71,82)
|
72 (68,78)
|
72 (68.3,75)
|
b
|
|
BMI* (kg/m2)*
|
22.6 (20.1,24.8)
|
22.7 (20.7,24.3)
|
23.4 (21.7,25.8)
|
b
|
|
SMI (kg/m2)*
|
7.25 (6.63,7.55)
|
6.32 (5.79,7.01)
|
7.57 (7.06,8.11)
|
a,b
|
|
Walking speed (m/sec)
|
1.46 (1.21,1.61)
|
1.45 (1.3,1.63)
|
1.47 (1.35,1.59)
|
N.S.
|
|
Knee extension force (N) *
|
445.7 (337,512)
|
329.5 (275.5398.1)
|
486.4 (388.3544)
|
a,b
|
|
One-leg standing (sec) *
|
15.6 (7,34.2)
|
26 (10.5,60)
|
48.8 (19,60)
|
b
|
|
Female (478)
|
Osteoporosis (n = 195)
|
Decreased bone mass (n = 192)
|
Normal (n = 91)
| |
|
Age (years) *
|
74 (69,78)
|
72 (67,76.8)
|
69 (67,75)
|
b
|
|
BMI (kg/m2)
|
21.7 (20.3,24)
|
22.2 (20.5,24.3)
|
23 (20.9,24.6)
|
N.S.
|
|
SMI (kg/m2)
|
5.88 (5.56,6.32)
|
5.97 (5.54,6.4)
|
5.99 (5.7,6.45)
|
N.S.
|
|
Walking speed (m/sec)
|
1.48 (1.3,1.59)
|
1.45 (1.3,1.63)
|
1.49 (1.36,1.61)
|
N.S.
|
|
Knee extension force (N) *
|
291 (236.3360.8)
|
300 (246.3352)
|
320.6 (272,379)
|
b
|
|
One-leg standing (sec)
|
28.1 (10.6,56.3)
|
25 (10.6,60)
|
34.7 (15.6,60)
|
N.S.
|
- *: Significant difference in Kruskal-Wallis Test. a: Statistically significant difference between normal group and decreased bone mass group, b: Statistically significant difference between normal group and osteoporosis group, c: Statistically significant difference between the decreased bone mass group and the osteoporosis group. N.S.: No significant differences in all comparisons
- Kruskal-Wallis test and multiple comparison (Mann-Whitney’s U-test, with corrections to the P-values using the Bonferroni method)
