Clinical Significance of Serum Zinc Levels in Cerebral Ischemia

Table 2

Characteristics of patients with Ischemic Stroke and association with Low Zinc levels (≤65 mcg/dL).

	Total 𝑁=152	Zinc level 𝑁=88 (≤65 mcg/dL)	Zinc level 𝑁=64 (>65 mcg/dL)	𝑃 value^#
Mean age yrs (mean ± SD)*	66.2±18	67.2±19	65.2±16	𝑃=.62
Males (𝑁)	75	44	31	𝑃=.15
Atrial fibrillation (𝑁)	60	33	27	𝑃=.32
Congestive heart failures (𝑁)	11	7	4	𝑃=.11
Coronary artery disease (𝑁)	51	30	21	𝑃=.18
Diabetes mellitus (𝑁)	56	36	20	𝑃=.10
Hypertension (𝑁)	80	55	35	𝑃=.15
Smoking (𝑁)	43	25	18	𝑃=.40
Dyslipidemia (𝑁)	77	41	36	𝑃=.48
Admission (𝑁); NIHSS stroke >8	63	35	28	𝑃=.32

^#All other 𝑃 values calculated by presence or absence of demographic variable versus percentage of patients with low zinc levels (≤65 mcg/dL). 𝑇 test used for continuous variables and 𝑧 test used to test differences in proportions.