Table 3.

Reference intervals for basal serum zinc concentration (µg/mL)

		Percentile
	n	5th	50th	95th	Minimum	Maximum	Mean±SD	P-value
Boys	59	0.70	0.97	1.14	0.63	1.29	0.95±0.14
Girls	72	0.73	0.98	1.17	0.72	1.28	0.97±0.13	p=0.3032
Total population	131	0.72	0.97	1.15	0.63	1.29	0.96±0.13

n=number of children, p=not significant, comparing boys and girls.