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Table 3 Univariate logistic regression of patients with stroke and healthy controls using serum or urine heavy metal levels and fish consumption as predictors

From: Association between heavy metal levels and acute ischemic stroke

Variables Stroke (n = 33) Control (n = 39) Odds ratio 95% CI P
Mean ± SD Mean ± SD
S-Pb (μg/L) 21.5 ± 8.4 24.6 ± 9.8 0.97 0.91–1.02 0.162
S-Hg (μg/L) 6.4 ± 4.3 9.8 ± 7.0 0.90 0.81–0.99 0.032
S-As (μg/L) 5.6 ± 5.5 7.5 ± 4.7 0.92 0.82–1.03 0.134
S-Cd (μg/L) 0.8 ± 0.5 0.7 ± 0.3 1.50 0.42–5.42 0.534
U-Pb (μg/L) 11.3 ± 7.4 10.7 ± 6.8 1.01 0.95–1.08 0.754
U-Hg (μg/L) 0.7 ± 0.7 1.2 ± 0.6 0.27 0.11–0.68 0.006
U-As (μg/L) 53.2 ± 63.2 94.7 ± 138.0 1.00 0.99–1.00 0.178
U-Cd (μg/L) 2.1 ± 2.2 1.2 ± 1.0 1.47 0.98–2.19 0.061
Marine Fish (n, %) 28 (84.8%) 29 (74.4%) 1.93 0.59–6.36 0.279
Freshwater Fish (n, %) 30 (90.9%) 24 (61.5%) 6.25 1.62–24.13 0.008
Seafood (n, %) 30 (90.9%) 31 (79.5%) 2.58 0.63–10.66 0.190
  1. S-Pb serum lead, S-Hg serum mercury, S-As serum arsenic, S-Cd serum cadmium, U-Pb urine lead, U-Hg urine mercury, U-As urine arsenic, U-Cd urine cadmium, CI confidence interval