Table 5

Thyroid volume (Tvol) and goitre prevalence in children (n = 419) and women (n = 405), stratified for examiners 1 and 2, before and after the correction of examiner 2's Tvol.

Examiner 1

(n = 406)

Examiner 2

(n = 418)

P-value


Before correction

After correction


Children, (n)

209

210

210

-

Tvol (mL), median (P25-P75)

5.7 (4.3-7.6)

3.3 (2.3-4.2)

4.6 (3.2-6.0)

<0.001c

Goitrea n (%)

112 (69)

18 (11)

75 (44)

<0.001d

Women, (n)

197

208

208

-

Tvol (mL), median (P25-P75)

10.3 (8.6-12.9)

5.8 (4.6-7.6)

8.3 (6.6-10.8)

<0.001c

Goitreb n (%)

11 (6)

2 (1)

7 (3)

0.01/0.34d


aInternational reference values for Tvol for age [5]

bThyroid enlargement was defined as a Tvol exceeding 18 ml for women [16]

cMann-Whitney test (examiner 1 and examiner 2, same p-value before and after correction)

dChi-square test (examiner 1 and examiner 2, before and after correction)

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

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