Table 2.

Association between the iron profile in the COVID-19 patients and hematological indicators—linear regression

Variable	Fe			TIBC			Transferrin			Transferrin saturation			ln-Ferritin
	Slope	95% CI	P-value	Slope	95% CI	P-value	Slope	95% CI	P-value	Slope	95% CI	P-value	Slope	95% CI	P-value
WBC	− 0.14	− 1.47 1.17	0.82	− 2.2	− 3.76  − 0.796	0.003	− 2.06	− 4.02 0.008	0.05	0.08	− 0.40 0.57	0.73	0.01	− 0.001 0.02	0.07
RBC	− 1.89	− 12.21 8.42	0.71	8.8	− 2.97 20.59	0.14	10.07	− 5.37 25.87	0.21	− 0.83	− 4.66 2.98	0.66	− 0.13	− 0.23  − 0.03	0.01
Hb	2.09	− 1.57 5.75	0.26	2.91	− 1.29 7.12	0.17	1.16	− 4.49 6.81	0.68	0.54	− 0.82 1.9	0.43	− 0.05	− 0.09  − 0.01	0.004
HCT	0.60	− 0.67 1.88	0.35	1.02	− 0.44 2.49	0.17	0.51	− 1.44 2.48	0.60	0.14	− 0.32 0.62	0.54	− 0.02	− 0.03  − 0.009	0.001
MCV	1.21	0.13 2.29	0.02	− 0.28	− 1.53 0.97	0.65	− 1.25	− 2.39 0.41	0.13	0.37	− 0.02 0.77	0.06	− 0.004	− 0.01 0.007	0.52
MCH	3.35	0.65 6.06	0.015	0.06	− 3.06 3.22	0.96	− 2.71	− 6.92 1.44	0.20	1.001	− 0.008 2.01	0.05	− 0.013	− 0.04 0.01	0.33
N/L Ratio	− 1.68	− 3.04  − 0.3	0.016	− 2.36	− 3.91  − 0.81	0.003	− 0.96	− 3.08 1.15	0.37	− 0.36	− 0.87 0.14	0.15	0.03	0.02 0.04	< 0.001
ESR	− 0.39	− 0.61  − 0.16	0.001	− 0.30	− 0.56  − 0.04	0.023	0.03	− 0.31 0.39	0.82	− 0.11	− 0.19  − 0.02	0.009	0.004	0.002 0.006	< 0.001
hs-CRP	− 0.29	− 0.38  − 0.12	< 0.001	− 0.28	− 0.43  − 0.12	0.001	− 0.07	− 0.28 0.13	0.48	− 0.06	− 0.11  − 0.01	0.01	0.005	0.004 0.006	< 0.001