Table 6.

Zinc levels in neonatal cord blood at birth by gestational age and birth weight.

Reference	Number of Neonates	Gestational Age at Birth, Weeks	Birth Weight, g	Mean Values ± Standard Deviation (µg/dL)
Jeswani et al., 1991 [81]	25	<37	1790 ± 380	94 ± 18
	25	>37	2800 ± 200	129 ± 14
	10	>37	1880 ± 150	112 ± 9
Wasowicz et al., 1993 [82]	51	>37		81 ± 24
	51	<37		93 ± 12
	23		1500–2499	85 ± 13
	41		2500–4750	81 ± 27
	13	24–36		92 ± 12
	15	37–38		87 ± 33
	36	39–41		78 ± 19
Iqbal et al., 2001 [83]	3	28–33		90 ± 47
	29	34–36		88 ± 30
	22	37–39		83 ± 39
	11	40–41		79 ± 24
	11		1000–1500	103 ± 37
	16		1600–2000	81 ± 25
	10		2100–2500	79 ± 29
	18		2600–3000	83 ± 43
	10		3100–4000	81 ± 14
Perveen et al., 2002 [84]	11	24–28		116 ± 45
	11	29–33		94 ± 19
	9	34–37		89 ± 15
	11	38–42		87 ± 9
Galinier et al., 2005 [85]	53	26–31		160 ± 27
	76	31–33		137 ± 30
	66	33–34		125 ± 23
	53	34–37		128 ± 18
	262	>37	3234 ± 358	123 ± 20
Tsuzuki et al., 2013 [86]	14	36 ± 2	2388 ± 465	89 ± 14
	30	39 ± 1	3043 ± 321	86 ± 16