Hemorrhagic Shock after Neonatal Circumcision: Severe Congenital Factor XIII Deficiency

Table 3

Coagulation factor levels tested.

	Lab reference range	Newborn reference range (mean ± standard Deviation)	Initial results (DOL 4)	Repeat results (DOL 6)
Fibrinogen (mg/dL)	163–463	—	153	297
Factor II (%)	77–138	58 ± 14	49	57
Factor V (%)	75–137	90 ± 25	31	86
Factor VII (%)	71–147	85 ± 26	81
Factor VIII (%)	57–152	89 ± 33	212	202
Factor IX (%)	80–147	49 ± 17	47	73
Factor X (%)	76–146	46 ± 14	42	49
Factor XI (%)	78–133	57 ± 16	—	63
Factor XII (%)	47–173	44 ± 17	—	46
Factor XIII (%)	69–143	89 ± 24	—	20

Source: reference [1].