TABLE 4.

Monocyte monolayer assay (MMA) for anti-SCAR

	MMA phagocytic indexa		IATb
Red cell	Without complement	With complement	Without complement	With complement	Samples tested (n)
SCAR+ (SC:8)	0–0.1	0.1–0.4	2+	2+	3
SCAR− (SC:−8)	0.1	0.9	0	0	1
Controlc	55	-	4+	-	1

Abbreviation: -, not tested.

^aAn MMA phagocytic index of 5.0 or greater indicates clinical significance.

^bIndirect antiglobulin test (IAT): Saline method with polyclonal anti-human globulin in tubes.

^cPositive control: Polyclonal anti-D (Immucor) with R₂R₂ red cells.