Table 2

Intra-observer agreement of thyroid gland diameters and thyroid volume (Tvol) measured by portable ultrasound in children aged 6-14 years (n = 12).

Right lobe

Left lobe

Tvol

ML

AP

CC

ML

AP

CC

Examiner 1

ICC*

0.67

0.88

0.89

0.85

0.78

0.74

0.97

(95% CI)

(0.20, 0.89)

(0.65, 0.96)

(0.67, 0.97)

(0.59, 0.96)

(0.42, 0.93)

(0.33, 0.92)

(0.91, 0.99)

Examiner 2

ICC*

0.67

0.55

0.28

0.54

0.63

0.72

0.86

(95% CI)

(0.21, 0.89)

(0.02, 0.85)

(-0.30, 0.72)

(0.02, 0.84)

(0.15, 0.88)

(0.30, 0.91)

(0.60, 0.96)

*ICC intraclass correlation coefficient, one-way random model (measure of agreement)

Henjum et al. Nutrition Journal 2010 9:66   doi:10.1186/1475-2891-9-66