Table II.

Linear Regression for the outcome of estimated glomerular filtration rate (eGFR)

	Full Model R2 adjusted=0.28			Forward Stepwise Selection P=0.1 to enter model R2 adjusted=0.38
Variables	Beta Coefficient Estimate	Standard Error	p-value	Beta Coefficient Estimate	Standard Error	p-value
Age	-1.52	2.15	0.5
BMI	-1.34	1.33	0.3
WBC	-1.66	2.63	0.6	-2.34	1.36	0.09
ANC	-0.001	0.003	0.6
Hemoglobin	2.09	5.21	0.7
Platelet	-0.01	0.05	0.7
LDH	-0.006	0.009	0.5
Uric Acid	9.97	6.26	0.15	13.48	4.76	0.008
Nocturnal Systolic Hypertension	21.1	8.06	0.02	17.62	4.77	0.001
Nocturnal Diastolic Hypertension	-5.92	8.39	0.5
Microalbuminuria	-6.2	7.30	0.5
SCA Modifying Therapy (vs. Transfusion)
No SCA therapy	-18.20	10.66	0.11
Hydroxyurea	18.4	10.30	0.11

BMI= Body Mass Index, WBC= White Blood Cell Count, ANC= Absolute Neutrophil Count, LDH=Lactate Dehydrogenase, SBP= Systolic Blood Pressure, DBP= Diastolic Blood Pressure, SCA= Sickle Cell Anemia