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Table 9 Area 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

3.7 ± 0.53

3.72 ± 0.55

0.83 (0.68–0.92)

6.9

 Shaft

2.9 ± 0.51

2.94 ± 0.41

0.73 (0.51–0.87)

9.0

 Distal

1.29 ± 0.21

1.28 ± 0.27

0.57 (0.26–0.77)

13.9

 Total

7.89 ± 1.01

7.94 ± 1.00

0.89 (0.77–0.94)

4.3

Second Metatarsal bone

 Proximal

1.71 ± 0.35

1.68 ± 0.42

0.32 (−0.05–0.61)

20.4

 Shaft

1.73 ± 0.40

1.77 ± 0.43

0.58 (0.28–0.78)

16.0

 Distal

3.28 ± 0.54

3.24 ± 0.59

0.83 (0.68–0.92)

7.3

 Total

6.72 ± 0.86

6.69 ± 1.03

0.84 (0.69–0.92)

6.2

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