Table 1 Characteristics of the study population

Number of subjects

21

25

49

15

Age (years)

77.3 ± 9,1^a

64.3 ± 10.9

77.3 ± 11.0

68.0 ± 7.9

Height (cm)

174.0 ± 7.0

176.0 ± 5.1

161.9 ± 6.9

162.9 ± 7.5

Weight (kg)

75.9 ± 15.0 ^b

89.7 ± 11.5

68.7 ± 15.9

79.0 ± 18.0

Prevalent fracture (No.)

2

0

21 ^a

0

Glucocorticoids (No.)

1

0

6

1

Smoking (No.)

2

2

5

1

Diabetes (No.)

3

6

11

3

Creatinine (μmol/l)

107 ± 33.9

97.6 ± 21.7

90.9 ± 29.1

79.6 ± 9.1

Bone pentosidine (nmol/g dry bone mass) ^c

2.96 ^a

1.10

2.57 ^a

0.93

0.55;6.80

0.41;2.41

0.75;5.11

0.45;1.98

Serum pentosidine (nmol/l) ^c

73.6 ^a

27.1

71.5 ^a

30.3

48.4; 417.4

15.46;80.3

31.4;154.6

16.2;108.0