TABLE I.

Performance of point-of-care Sickle SCAN test

Sample type	No. of Samples	Result by reference method	Expected Sickle SCAN pattern	No. of samples correctly scored by 3 observers	No. of samples incorrectly scored by at least 1 observer (incorrect scored result)
Normal	38	A or FA	A	36	2 (A, S)
Sickle Cell Disease	38
Hb SS	21	S or FS	S	20	1 (A, S)
Hb SC	11	SC or FSC	S, C	11	0
Hb Sβ+-thalassemia	1	SA	A, S	0	1 (S only)
Hb SD	1	SD	S	0	1 (A, S)
On transfusions	5	SA or SDA	A, S	4	1 (S only)
Sickle cell trait	34	AS or FAS	A, S	32	2 (S only)
Hb C disease	9
Hb CC	5	C	C	5	0
Hb C trait	4	AC	A,C	4	0
Hb variants	19
Hb Bart’s	4	A, Bart’s	A	4	0
Hb G-Philadelphia	3	AG	A	1	2 (A, S)
Hb D Trait	3	AD	A	3	0
Hb E Trait	2	AE	A	2	0
Hb Lepore	1	A, Lepore	A	0	1 (A, S)
Hb Hope	1	A, Hope	A	I	0
Hb I-Texas	1	A, I	A	0	1 (A, S)
Hb O	1	A, 0	A	I	0
Hb EE	1	FE	No bands	0	1 (A, S)
Thalassemia major (on transfusions)	2	AF	A	2	0
Total	139			126	13