Childhood asthma biomarkers including zinc: An exploratory cross-sectional study

Table 4 Biochemical lab assessment in cases vs controls, mean ± SD

	Children with BA	Healthy controls	P value
Serum zinc     Min-max	94.4 ± 24.7 47-142	85.2 ± 19 47.3-112	0.1151
Serum iron     Min-max	68.8 ± 28.8 18.7-136.8	62.4 ± 26.4 26.5-116.9	0.3891
Serum ferritin, median (Q1-Q3)     Min-max	53.1 (68.6-32.2) 4.2-329.2	30 (46-17) 2-71	0.006a,2
Serum Hb     Min-max	12 ± 0.8 9.9-13.7	12 ± 0.8 10.3-13.6	0.8571
Serum albumin     Min-max	3.9 ± 0.2 3.5-4.6	3.9 ± 0.19 3.5-4.2	0.3911
Serum IgE, median (Q1-Q3)     Min-max	264 (229-37) 0.1-2302	33 (60.5-12.7) 6.7-91	0.001a,2

^aP value is considered significant if ≤ 0.05.

¹Independent t-test;

²Mann-Whitney test.

BA: Bronchial asthma; Hb: Hemoglobin; IgE: Immunoglobulin E.