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Table 7 Area Intra-rater reliability

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

Variable

MeanA1 (g/cm2)

MeanA2 (g/cm2)

ICC (95% CI)

SEM (%)

Fifth Metatarsal bone

 Proximal

3.7 ± 0.53

3.57 ± 0.54

0.80 (0.60–0.90)

6.7

 Shaft

2.9 ± 0.51

2.96 ± 0.50

0.93 (0.85–0.97)

4.7

 Distal

1.29 ± 0.21

1.22 ± 0.18

0.72 (0.39–0.87)

9.0

 Total

7.89 ± 1.01

7.74 ± 0.96

0.92 (0.83–0.96)

3.6

Second Metatarsal bone

 Proximal

0.65 ± 0.13

0.64 ± 0.14

0.95 (0.90–0.98)

4.9

 Shaft

0.51 ± 0.09

0.51 ± 0.09

0.98 (0.96–0.99)

2.4

 Distal

0.31 ± 0.06

0.31 ± 0.06

0.97 (0.93–0.98)

3.9

 Total

0.49 ± 0.08

0.48 ± 0.09

0.97 (0.92–0.98)

3.4

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