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Table 2 Reliability for scoring photographic hand OA by joint and joint group in all 253 participants

From: Longitudinal validity of using digital hand photographs for assessing hand osteoarthritis progression over 7 years in community-dwelling older adults with hand pain

   

ICC†

% exact agreement

% close agreement

Inter-rater

Right

DIP3

0.89

83.3

100

 

DIP2

0.83

71.0

99.6

 

PIP3

0.84

88.3

99.6

 

PIP2

0.65

85.1

99.6

 

1CMC

0.88

84.4

100

Left

DIP3

0.85

81.9

100

 

DIP2

0.80

70.8

98.6

 

PIP3

0.82

90.2

100

 

PIP2

0.80

91.4

99.6

 

1CMC

0.82

81.3

99.6

Joint group

DIPs

0.65

69.7

92.7

PIPs

0.54

85.0

94.9

1CMCs

0.95

93.7

100

Intra-rater

Joint group

DIPs

0.86

85.7

100

PIPs

0.94

96.4

100

1CMCs

0.90

92.6

100

  1. † Intraclass correlation coefficients (ICCs) were calculated for absolute agreement using 2-way random-effects model for single measures. DIP, Distal Interphalangeal joint; PIP, Proximal Interphalangeal joint; 1CMC, 1st Carpometacarpal joint