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Table 1 Reliability of using photographic technique for measuring the sagittal trunk alignment

From: Two-dimensional digital photography for child body posture evaluation: standardized technique, reliable parameters and normative data for age 7-10 years

Variables

Intraobserver reproducibility

Interobserver reliability

 

ICC

95%

CI

SEM [°]

P value

ICC

95%

CI

SEM [°]

P value

Left side of the body

 SS

0.93

0.88

0.97

1.0

0.957

0.93

0.86

0.97

0.9

0.658

 LL

0.97

0.95

0.99

1.0

0.975

0.97

0.95

0.99

1.0

0.987

 TK

0.93

0.87

0.96

1.2

0.974

0.94

0.89

0.97

0.9

0.811

 CI

0.96

0.92

0.98

0.7

0.953

0.92

0.83

0.96

0.9

0.540

 HP

0.90

0.83

0.95

1.0

0.990

0.84

0.74

0.92

1.2

0.984

Right side of the body

 SS

0.93

0.88

0.97

1.0

0.952

0.92

0.86

0.96

1.1

0.954

 LL

0.96

0.93

0.98

1.2

0.936

0.96

0.92

0.98

1.1

0.852

 TK

0.91

0.85

0.95

1.3

0.990

0.92

0.86

0.96

1.2

0.726

 CI

0.93

0.87

0.96

0.9

0.931

0.88

0.79

0.94

1.1

0.689

 HP

0.94

0.89

0.97

0.7

0.989

0.85

0.75

0.92

1.0

0.913

Mean of the left and right side of the body

 SS

0.95

0.91

0.97

0.9

0.977

0.94

0.89

0.97

0.9

0.836

 LL

0.97

0.95

0.98

1.0

0.952

0.98

0.95

0.99

0.9

0.936

 TK

0.93

0.88

0.97

1.1

0.986

0.92

0.86

0.96

0.9

0.777

 CI

0.96

0.92

0.98

0.7

0.950

0.92

0.84

0.96

0.9

0.622

 HP

0.94

0.89

0.97

0.8

0.995

0.89

0.80

0.94

1.0

0.979

  1. ICC intraclass correlation coefficient, CI confidence interval, SEM standard error of measurement
  2. *Statistically significant difference (P < .05)