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Table 5 Components of Variance used for calculation of the BT region Method Agreement ICCs in table 4

From: Testing the proficiency to distinguish locations with elevated plantar pressure within and between professional groups of foot therapists

Part A

 

Podiatrist

Pedorthist

Orthotist

Source

σ2

%

SE

σ2

%

SE

σ2

%

SE

P

0.1065

25

0.078

0.0831

18

0.061

0.0458

9

0.034

P × M

0.0630

15

0.051

0.0912

20

0.070

0.1667

34

0.121

P × T

0.0593

14

0.014

0.0407

9

0.012

0.0139

3

0.006

S within P

0.0435

10

0.038

0.0377

8

0.027

0.0188

4

0.010

M × S within P

0.0519

12

0.034

0.0815

18

0.053

0.1611

33

0.104

T × S within P

0.0074

2

0.002

0.0134

3

0.004

0.0153

3

0.004

Total

0.3315

  

0.3477

  

0.4215

  

Part B

 

Podiatrist

Pedorthist

Orthotist

 

σ 2

%

SE

σ 2

%

SE

σ 2

%

SE

P × M × T

0.0870

20

0.028

0.0755

17

0.024

0.0375

8

0.012

M × T × S within Pe

0.0148

3

0.004

0.0269

6

0.007

0.0306

6

0.008

Total

0.1019

  

0.1023

  

0.0681

  
  1. Total percentage is the summation of part A and B. σ 2 = estimated variance component, P = patient, M = method, G = group, T = therapist, S = side, and e designates the ultimate 'error' σ2 component in the model specified. SE = standard error, BT = big toe
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BMC Musculoskeletal Disorders

ISSN: 1471-2474

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