Cerebrovascular accident and essential and toxic metals: cluster analysis and principal component analysis

Table 2 Comparison of toxic metal levels between CVA and non-CVA groups

Variable	CVA group (n = 35)	Non-CVA group (n = 35)	Test results*
Fe	370.44 [208.44-479.75]	279.0 [134.0-601.0]	Z = 0.64, p = 0.52
Co	3.03 ± 1.88	2.68 ± 2.19	T = 0.71, p = 0.48
Ni	17.57 [8.00-65.40]	37.00 [20.00-129.00]	Z = 2.95, p = 0.003
Cu	117.03 [96.07–196.90]	34.00 [27.00–42.00]	Z = 7.17, p < 0.001
Zn	81.61 [67.14-117.45]	73.00 [25.00-106.00]	Z = 1.94, p = 0.05
Mn	9.75 [2.71–16.79]	8.00 [5.00–16.00]	Z = 0.06, p = 0.94
Pb	8.60 [5.50–10.00]	5.15 [3.60–7.06]	Z = 3.13, p = 0.002
Hg	0.70 [0.40-1.00]	0.89 [0.64–1.86]	Z = 1.92, p = 0.05

Fe Iron, Co Cobalt, Ni Nickel, Cu copper, Zn Zinc, Mn Manganese, pb lead, Hg Mercury
*Independent sample t-test and Mann-Whitney U Test were used for intergroup comparison of normality for continuous and skewness for continuous, respectively. Results in bold have a p-value of <0.05

ISSN: 2050-6511