Table 5.

Comparison of expression of CD32 with different genotypes of FcγRIIA and CD16 with different genotypes of FcγRIIIB.

	SCD-mild (90)			SCD-severe (61)
	H/H (18)	H/R (33)	R/R (39)	H/H (18)	H/R (23)	R/R (20)
	(Mean ± S.D.)	(Mean ± S.D.)	(Mean ± S.D.)	(Mean ± S.D.)	(Mean ± S.D.)	(Mean ± S.D.)
CD32 (MFI)	23.68 ± 13.24	39.21 ± 23.04	23.94 ± 15.85	15.49 ± 6.14	33.83 ± 19.96	27.32 ± 18.8
	NA1/NA2 (44)	NA2/NA2 (46)		NA1/NA2 (36)	NA2/NA2 (25)
CD16 (MFI)	171.33 ± 85.08	162.22 ± 69.42		177.59 ± 88.61	206.48 ± 92.60

Student's t test analysis comparing expression levels with different genotypes among mild versus severe SCD patients:

H/H: P-0.023; H/R: P-0.37; R/R: P-0.47.

NA1/NA2: P-0.75, NA2/NA2: P-0.03.