Determination of 11 minerals in children using inductively coupled plasma mass spectrometry

BMC Pediatrics

Table 5 95% Reference Intervals of 11 Minerals in Different Seasons

Element	Spring(n = 525)		Summer(n = 517)		Autumn(n = 619)		Winter(n = 554)		χ²	P
Element	Median	[P2.5,P97.5]	Median	[P2.5,P97.5]	Median	[P2.5,P97.5]	Median	[P2.5,P97.5]	χ²	P
Ca	91.03	[81.20,102.26]	91.60	[82.80,102.00]	91.60	[78.85,103.57]	93.80	[79.88,105.03]	52.398	< 0.001
Fe	1.03	[0.40,1.91]	1.02	[0.43,2.01]	0.99	[0.35,2.32]	1.12	[0.44,2.05]	29.710	< 0.001
Zn	774.00	[516.20,1048.50]	777.00	[498.65,1110.00]	771.00	[513.50,1060.00]	814.00	[559.25,1111.25]	28.317	< 0.001
Mg	20.50	[16.32,24.90]	20.30	[16.10,24.30]	20.10	[16.25,23.80]	20.00	[16.40,23.91]	27.912	< 0.001
Cu	1020.00	[651.30,1510.00]	1060.00	[668.55,1500.00]	1030.00	[670.53,1566.85]	974.00	[656.75,1522.50]	29.449	< 0.001
Mn	0.47	[0.00,1.58]	0.34	[0.00,1.12]	0.39	[0.01,1.06]	0.40	[0.00,1.01]	55.970	< 0.001
Se	82.50	[47.74,117.75]	75.90	[47.95,107.05]	76.20	[42.41,115.20]	81.40	[48.05,118.25]	73.693	< 0.001
Hg	0.32	[0.03,0.89]	0.26	[0.07,0.81]	0.19	[0.02,0.71]	0.38	[0.07,0.97]	239.329	< 0.001
Ni	1.42	[0.26,2.60]	0.76	[0.11,2.34]	0.51	[0.10,1.57]	1.08	[0.21,2.52]	510.432	< 0.001
Co	0.34	[0.06,0.61]	0.32	[0.03,0.84]	0.28	[0.11,0.73]	0.32	[0.07,0.64]	22.028	< 0.001
Li	0.72	[0.00,3.08]	1.45	[0.12,3.99]	1.41	[0.54,4.89]	1.12	[0.18,4.33]	294.421	< 0.001

ISSN: 1471-2431