Table 2. Thrombopoietin serum levels in... | American Society of Hematology

Table 2.

Thrombopoietin serum levels in patients with congenital amegakaryocytic thrombocytopenia

Patient identification	Age (y)	TPO serum level (pg/mL)	TPO bioactivity
CAMT-1	0.3	nt	+
CAMT-6	0.7	1606^*	nt
CAMT-7	3.4	2653^†	+
	6.5	3290^*	nt
CAMT-8	2.2	2436^*	+
CAMT-9	2.3	nt	+
	3.0	2083^*	nt
CAMT-11	7.8	3226^*	+
CAMT-12	3.7	1022^*	nt
CAMT-13	1.5	2674^†	+
CAMT-17	1.8	1092^†	+
Healthy donors (mean ± SD, n = 40)		120 ± 76	−

Patient identification	Age (y)	TPO serum level (pg/mL)	TPO bioactivity
CAMT-1	0.3	nt	+
CAMT-6	0.7	1606^*	nt
CAMT-7	3.4	2653^†	+
	6.5	3290^*	nt
CAMT-8	2.2	2436^*	+
CAMT-9	2.3	nt	+
	3.0	2083^*	nt
CAMT-11	7.8	3226^*	+
CAMT-12	3.7	1022^*	nt
CAMT-13	1.5	2674^†	+
CAMT-17	1.8	1092^†	+
Healthy donors (mean ± SD, n = 40)		120 ± 76	−

nt = not tested.

Measured with R&D systems enzyme-linked immunosorbent assay (ELISA).

Measured with an ELISA system developed by Folman et al.9