Table III.

Individual values of 23 patients with elevations of serum and/or CSF bHCG (mIU/ml)

Protocol	Category IIa (20 Patients)		Category IIIb (2 Patients)		Category IVc (1 Patient)
	Normal serum	Elevated CSF	Elevated serum	Elevated CSF	Elevated serum	Normal CSF
BI/NYU(12)	-	16	12	4.9	6	-
	-	16
	-	8
	-	7
	-	6.9
	-	6.0
	-	4.9
	-	4.8
	-	3
	-	2.9
ACNS0232(11)	-	15.3	13	13
	-	10
	-	10
	-	7
	-	6.6
	-	6.0
	-	5.5
	-	3.1
	-	3.0
	-	2.5
Median (range)		7.2 (2.5–16)	12.5		6

^aCategory II - elevated bHCG in CSF alone;

^bCategory III - elevated bHCG in both serum and CSF;

^cCategory IV - elevated bHCG in serum alone