Micronutrient deficiency among patients with ulcerative colitis

The Egyptian Journal of Internal Medicine

Table 3 Correlations of micronutrients with severity indices in UC patients (N = 23)

Parameter	Serum selenium		Serum zinc		Serum copper		Serum iron		Serum magnesium
Parameter	r_s	P value	r_s	P value	r_s	P value	r_s	P value	r_s	P value
Mayo score (ordinal)	0.175	0.426	0.061	0.784	− 0.142	0.518	0.198	0.366	− 0.814	< 0.001
Mayo score (numeric)	0.079	0.719	− 0.006	0.977	− 0.036	0.870	0.178	0.416	− 0.714	< 0.001
UCEIS	0.103	0.641	− 0.364	0.087	− 0.056	0.800	0.120	0.585	− 0.651	< 0.001
Disease duration (months)	0.026	0.906	0.031	0.887	− 0.169	0.439	0.335	0.118	0.307	0.154
ESR	0.023	0.915	0.019	0.930	0.173	0.431	0.238	0.274	− 0.701	< 0.001
CRP	0.033	0.880	285	0.187	− 0.042	0.850	0.048	0.828	− 0.425	0.043

r_s Spearman’s correlation coefficient. Test of significance is Spearman’s correlation test