Larger Thyroid Volume and Adequate Iodine Nutrition in Chinese Schoolchildren: Local Normative Reference Values Compared with WHO/IGN

Table 1

Descriptive statistics of schoolchildren participating in study.

Age (years)	Sex		Height (cm); ()	Weight (kg); ()	BSA (m^2); ()	Thyroid volume (ml); ()
8	Boy	191
8	Girl	189
9	Boy	206
9	Girl	213
10	Boy	213
10	Girl	201
8		380
9		419
10		414
	Boy	610
	Girl	603
Total		1213

SD: interquartile range.