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Table 3 BMD 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

0.5 ± 0.11

0.51 ± 0.13

0.83 (0.67–0.92)

11.0

 Shaft

0.45 ± 0.10

0.46 ± 0.11

0.84 (0.68–0.92)

9.5

 Distal

0.25 ± 0.06

0.26 ± 0.06

0.57 (0.26–0.77)

16.2

 Total

0.44 ± 0.10

0.45 ± 0.11

0.82 (0.66–0.91)

10.4

Second Metatarsal bone

 Proximal

0.65 ± 0.13

0.65 ± 0.14

0.77 (0.58–0.89)

10.1

 Shaft

0.51 ± 0.09

0.50 ± 0.08

0.76 (0.56–0.88)

8.4

 Distal

0.31 ± 0.06

0.30 ± 0.07

0.56 (0.26–0.77)

14.5

 Total

0.49 ± 0.08

0.48 ± 0.09

0.70 (0.45–0.84)

9.7

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