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. Author manuscript; available in PMC: 2013 Jun 5.

Published in final edited form as: Placenta. 2011 Feb 13;32(4):333–338. doi: 10.1016/j.placenta.2011.01.016

Table 4.

Mean and Standard deviation of ultrasound and serum markers in control group compared with pregnancies with normal and abnormal morphometry.

	Control (n = 20)	Abnormal morphometry (n = 14)	Normal morphometry (n = 11)
	Mean ± SD	Mean ± SD	Mean ± SD
Uterine artery PI	1.5 ± 0.5	1.6 ± 0.5	1.6 ± 0.4
4D placental volume (cm³)	46.8 ± 17.8	46.3 ± 15.8	44.0 ± 24.1
VI (%)	14.8 ± 5.6	16.8 ± 10.2	10.8 ± 7.2
FI (%)	40.8 ± 7.8	41.6 ± 9.2	39.6 ± 8.3
VFI (%)	6.1 ± 2.8	7.6 ± 5.6	4.5 ± 2.7
PAPP-A (MoM)	1.1 ± 0.5	0.7 ± 0.5^*	1.2 ± 0.5
hCG (MoM)	1.0 ± 0.4	1.0 ± 0.4	1.2 ± 0.4
ADAM12s (MoM)	1.0 ± 0.4	1.0 ± 0.4	0.8 ± 0.4
PP13 (MoM)	1.1 ± 0.5	1.1 ± 0.5	1.0 ± 0.3

^*

P = 0.03,

PI = pulsatility index, VI = vascularization index, FI = flow index, VFI = vascularization flow index.