Table 5.

Results of Spearman’s correlation analysis between Ni and thyroid hormone levels in blood samples from male, female, and the entire examined population of Belgrade, Serbia.

		Ni vs. TSH	Ni vs. fT4	Ni vs. fT3	Ni vs. T4	Ni vs. T3
Men	r	0,03853	-0,1556	-0,07936	0,02239	0,09980
	95% confidence interval	-0,1114 to 0,1867	-0,3007 to -0,003492	-0,2280 to 0,07288	-0,1265 to 0,1703	-0,04982 to 0,2450
	P value	0,6046	0,0391	0,2923	0,7623	0,1777
Women	r	0,02065	0,01262	-0,04637	0,06305	0,03597
	95% confidence interval	-0,1316 to 0,1719	-0,1377 to 0,1624	-0,1964 to 0,1057	-0,08874 to 0,2120	-0,1178 to 0,1880
	P value	0,7850	0,8661	0,5388	0,4018	0,6375
Entire population	r	0,03338	-0,07270	-0,07534	0,04009	0,06921
	95% confidence interval	-0,07327 to 0,1393	-0,1782 to 0,03441	-0,1809 to 0,03191	-0,06600 to 0,1453	-0,03776 to 0,1746
	P value	0,5278	0,1705	0,1560	0,4457	0,1914

A significant result is marked in red.