Table 4.

.Recovering of HCV core protein after cryoprecipitation from HCV-positive sera mixed with HCV-negative samples

	HCV non-enveloped core protein (pg/ml)
	(1)	(2)	(3)
1 HCV-negative cryoglobulins
Supernatant	86	101	53
Cryoprecipitate	262	244	198
2 RF-positive serum
Upper phase	126	110	93
Pellet	194	221	188
3 Normal serum
Upper phase	219	185	156
Pellet	140	156	151