TABLE 3.

OEF predictors by stepwise regression.

Residual OEF-CISSCO and O2 Content			Residual OEF-TRUST and HbF%
Parameter	r 2	p-value	Parameter	r 2	p-value
MCHC	0.34	<0.0001	MCH	0.16	0.008
Oxygen Saturation	0.19	0.0003	MCV	0.10	0.03
MCH	0.17	0.001	Height	0.10	0.03
HbS%	0.16	0.009	Weight	0.09	0.05
Weight	0.08	0.03	-
RBC	0.07	0.04
MCV	0.07	0.04
Final Stepwise Model OEF-CISSCO			Final Stepwise Model OEF-TRUST
1/O2 content	0.85	<0.0001	HbF	0.34	0.0001
MCHC	+0.05	<0.0001	MCV	+0.13	0.004
Oxygen Saturation	+0.04	<0.0001	-	-	-
Total r 2	0.94	-	Total r 2	0.53	-
Alternative Model OEF-CISSCO			-
1/Hematocrit	0.92	<0.0001
Oxygen Saturation	+0.03	<0.0001
Total r 2	0.95	-