TABLE 5.

Differences in trace element blood concentration between the examined groups.

Examined factor	BD (n = 62)	HC (n = 40)	p-value
Se (μg/l), Me (min–max)	95.33 (60.82–192.53)	110.94 (68.30–146.23)	0.002*
Zn (μg/l), X (SD)	6,186.85 (850.34)	6,604.85 (722.60)	0.014*
As (μg/l), Me (min–max)	0.80 (0.16–5.03)	1.12 (0.35–6.62)	0.002*

BD, bipolar disorder; HC, healthy controls; X, mean; SD, standard deviation; Me, median; min, minimum; max, maximum; Se, selenium; Zn, zinc; As, arsenic;

*significant difference between BD and HC groups.