Table 2. Fib 420 Levels of Newborn... | American Society of Hematology

Table 2.

Fib₄₂₀ Levels of Newborn Infants and Their Mothers

Fetal			Maternal
Fibrinogen	Fib₄₂₀	Molar	Fibrinogen	Fib₄₂₀	Molar
(mg/mL)	(μg/mL)	%Fib₄₂₀	(mg/mL)	(μg/mL)	%Fib₄₂₀
2.5	120	3.9	3.3	64	1.5
2.6	120	3.7	5.2	58	0.9
1.8	52	2.4	4.8	84	1.4
2.8	100	2.8	4.7	96	1.6
2.2	67	2.5	4.5	89	1.6
3.3	150	3.7	4.3	62	1.1
2.6	126	3.9	5.3	96	1.4
2.2	102	3.8	3.5	63	1.4
2.2	87	3.2	2.7	39	1.1
1.8	92	4.2	5.7	91	1.3
Mean:
2.4	102	3.4	4.4	74	1.3
SD:
0.5	29	0.6	1.0	20	0.2

Fetal			Maternal
Fibrinogen	Fib₄₂₀	Molar	Fibrinogen	Fib₄₂₀	Molar
(mg/mL)	(μg/mL)	%Fib₄₂₀	(mg/mL)	(μg/mL)	%Fib₄₂₀
2.5	120	3.9	3.3	64	1.5
2.6	120	3.7	5.2	58	0.9
1.8	52	2.4	4.8	84	1.4
2.8	100	2.8	4.7	96	1.6
2.2	67	2.5	4.5	89	1.6
3.3	150	3.7	4.3	62	1.1
2.6	126	3.9	5.3	96	1.4
2.2	102	3.8	3.5	63	1.4
2.2	87	3.2	2.7	39	1.1
1.8	92	4.2	5.7	91	1.3
Mean:
2.4	102	3.4	4.4	74	1.3
SD:
0.5	29	0.6	1.0	20	0.2

Data from a subset (n = 10) of our survey of fetal plasmas (Table 1) is compared with that obtained on plasmas of their mothers by rocket immunoelectrophoresis (for total fibrinogen) and by quantitative Western blot assay (for %Fib₄₂₀). Means of quadruplicate fibrinogen determinations and calculated Fib₄₂₀ levels are presented in the units indicated, rounded to the nearest tenth and whole number, respectively. Molar %Fib₄₂₀, the mean of quadruplicate molar ratio determinations, is presented to the nearest tenth of a percent. Each row corresponds to a separate mother-infant pair.

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