Which is Superior, Doppler Velocimetry or Non-stress Test or Both in Predicting the Perinatal Outcome of High-Risk Pregnancies

. 2016 Feb 2;66(Suppl 1):149–156. doi: 10.1007/s13224-015-0829-z

Among the groups	No	% in “no”	Yes	% in “yes”
Group I	86	66.67	39	54.93
Group IIA	12	9.30	17	23.94
Group IIB	6	4.65	4	5.63
Group III	25	19.38	11	15.49
Total	129	100	71	100