Table 2. Correlation between FRC and other red cell parameters.

RDW-SD, red cell distribution width-standard deviation; RDW-CV, red cell distribution width-coefficient of variation; Hypo-He, hypo hemoglobin equivalent; IRF, immature reticulocyte fraction; HFR, high fluorescence reticulocyte; Micro R, micro red cells; PLT, platelet count; MCH, mean corpuscular hemoglobin; RET, reticulocyte percentage

Predictor Variable	Regression Equation (Y = a + bx)	Correlation Coefficient (R)	p-value	R-squared (R²)
RDW-SD	y = -0.4121 + 0.0113 × RDW-SD	0.117	<0.001	0.0137
RDW-CV	y = -2.1914 + 0.1612 × RDW-CV	0.4236	<0.001	0.1795
Hypo-He	y = 0.0700 + 0.0527 × Hypo-He	0.5002	<0.001	0.2502
IRF	y = -0.1784 + 0.0271 × IRF	0.2419	<0.001	0.0585
HFR	y = -0.0091 + 0.0653 × HFR	0.2725	<0.001	0.0743
Micro R	y = 0.0408 + 0.0346 × Micro R	0.3673	<0.001	0.1349
PLT	y = 0.0008 + 0.0006 × PLT	0.0768	0.01	0.0059
MCH	y = 4.7571 - 0.1432 × MCH	-0.3587	<0.001	0.1287
RET	y = -0.0400 + 2.1963 × RET	0.1028	<0.001	0.0106