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Table 6 BMC Scan-Rescan reliability

From: Reliability of analysis of the bone mineral density of the second and fifth metatarsals using dual-energy x-ray absorptiometry (DXA)

Variable

MeanD1 (g/cm2)

MeanD2(g/cm2)

ICC (95% CI)

SEM (%)

Fifth Metatarsal bone

 Proximal

1.87 ± 0.63

1.94 ± 0.73

0.89 (0.78–0.95)

12.8

 Shaft

1.32 ± 0.40

1.36 ± 0.40

0.83 (0.66–0.91)

12.6

 Distal

0.33 ± 0.11

0.34 ± 0.12

0.66 (0.39–0.83)

21.6

 Total

3.53 ± 1.08

3.63 ± 1.20

0.89 (0.79–0.95)

11.0

Second Metatarsal bone

 Proximal

1.11 ± 0.39

1.08 ± 0.36

0.66 (0.40–0.82)

20.8

 Shaft

1.68 ± 0.46

1.65 ± 0.45

0.87 (0.75–0.94)

10.0

 Distal

0.55 ± 0.21

0.54 ± 0.21

0.82 (0.65–0.91)

16.6

 Total

3.34 ± 0.89

3.27 ± 0.90

0.88 (0.77–0.94)

9.4

  1. Intra class Correlation Coefficient (ICC), Standard Error of Measure (SEM)