Table 3 Intraclass Correlation Coefficient for internal consistency and the descriptive level (p-value) of skin improvement among the observers and the 3D SPM (total sample n = 48).

From: Scientific validation of three-dimensional stereophotogrammetry compared to the IGAIS clinical scale for assessing wrinkles and scars after laser treatment

Concordance

ICC

95% CI

p value

2 d images

Observer A

x

Observer B

0.72

0.50

0.84

< 0.001

Observer A

x

Observer C

0.62

0.27

0.79

< 0.001

Observer B

x

Observer C

0.78

0.61

0.88

< 0.001

A x B x C

0.79

0.65

0.87

< 0.001

3 d images

Observer A

x

Observer B

0.85

0.74

0.92

< 0.001

Observer A

x

Observer C

0.78

0.52

0.89

< 0.001

Observer B

x

Observer C

0.83

0.60

0.92

< 0.001

A x B x C

0.88

0.78

0.93

< 0.001

  1. Two-way Model; 95% CI (confidence interval); x = versus.
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