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Table 3 Within session, intra-observer standard error of measurement (SEM) and 95% confidence level (SEM × 2)

From: Reliability of two goniometric methods of measuring active inversion and eversion range of motion at the ankle

  

Sitting

Prone

Observer

 

Inversion

Eversion

Inversion

Eversion

A

SEM

2.1

2.1

1.4

1.0

 

SEM × 2

4

4

3

2

B

SEM

2.6

2.9

1.6

1.4

 

SEM × 2

5

6

3

3

C

SEM

1.9

2.2

1.2

1.1

 

SEM × 2

4

4

2

2

  1. * SEM = sd√ (1-ICC[2,1]).
  2. ** SEM × 2 indicates the extent of measurement error associated with a single measurement i.e. the range within which the true score lies with a 95% confidence level.
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BMC Musculoskeletal Disorders

ISSN: 1471-2474

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