Table 4.

Correlations between the hematological markers of COVID-19 patients

		WBC	NLR	PLR	MLR	PLT	MPV	PDW	PCT	PLCR	RDW SD	RDW CV
WBC	r	1	0.44	0.15	0.41	0.11	0.05	0.05	0.05	0.05	-0.02	0.02
	p		<0.0001	0.001	<0.0001	0.010	0.27	0.29	0.25	0.27	0.71	0.69
NLR	r	0.44	1	0.52	0.85	0.01	0.03	0.01	-0.01	0.02	-0.04	-0.01
	p	<0.0001		<0.0001	<0.0001	0.87	0.53	0.86	0.80	0.68	0.43	0.87
PLR	r	0.15	0.52	1	0.33	0.33	0.06	0.04	-0.002	0.05	0.03	0.002
	p	.001	<0.0001		<0.0001	<0.0001	0.18	0.38	0.96	0.22	0.54	0.96
MLR	r	0.41	0.85	0.33	1	0.05	0.05	0.04	-0.02	0.04	-0.08	0.02
	p	<0.0001	<0.0001	<0.0001		0.27	0.23	0.37	0.69	0.39	0.09	0.67
PLT	r	0.11	0.01	0.33	0.05	1	0.04	0.02	0.05	0.04	0.08	0.07
	p	0.01	0.87	<0.0001	0.27		0.44	0.69	0.25	0.34	0.07	0.10
MPV	r	0.05	0.03	0.06	0.05	0.04	1	0.91	-0.44	0.96	0.01	0.02
	p	0.27	0.53	0.18	0.23	0.44		<0.0001	<0.0001	<0.0001	0.82	0.72
PDW	r	0.05	0.01	0.04	0.04	0.02	0.91	1	-0.47	0.89	0.02	.045
	p	0.29	0.86	0.38	0.37	0.69	<0.0001		<0.0001	<0.0001	0.69	.317
PCT	r	0.05	-0.01	-0.002	-0.02	0.05	-0.44	-0.47	1	-0.44	-0.001	-.073
	p	0.25	0.80	0.96	0.69	0.25	<0.0001	<0.0001		<0.0001	0.98	.100
PLCR	r	0.05	0.02	0.05	0.04	0.04	0.96	0.89	-0.44	1	-0.02	.024
	p	0.27	0.68	0.22	0.39	0.34	<0.0001	<0.0001	<0.0001		0.73	.593
RDWSD	r	-.017	-0.34	0.03	-0.08	0.08	0.01	0.02	-0.001	-0.02	1	0.06
	p	0.71	0.43	0.54	0.09	0.07	0.82	0.69	0.98	0.73		0.17
RDWCV	r	.017	-0.01	0.002	0.02	0.07	0.02	0.05	-0.07	0.02	0.06	1
	p	.696	0.86	0.96	0.67	0.10	0.72	0.32	0.10	0.59	0.17

*r: correlation coefficient, p value less than 0.05 is considered statistically significant. Pearson’s correlation coefficient was calculated for studying association between laboratory parameters in COVID positive.