Table 3.

Characteristics of survivors and non-survivors in transfused fetuses

Characteristics	Survivor	Non-survivor	P value
Hydrops (%, n)	35.6% (31)	81.3% (13)	0.001
Median gestational age at 1st IUT	19+2	18+4	0.18
Mean hemoglobin before 1st IUT, g/dl	5.3 (1–12.1)	2.63 (0.3–4.4)	0.001
Mean platelet count/nl	126.6 (5–318)	49.1 (26–81)	0.002
Severe thrombocytopenia (< 50 platelets/nl) (%, n)	17.9% (12)	62.5% (5)	0.013
Posterior placental localization (%, n)	40.2% (35)	68.8% (11)	0.05
Mean maternal BMI	24.6 (17.6–37.1)	24.8 (19–33.2)	0.97

p value < 0.05 is considered significant