Table 4.

Frequency distribution of VAD and FAD by indication for OVD and station at the application of instruments (July 2011 to June 2016)

Indication	VAD		FAD		Total
	No	%	No	%	No	% Total
Fetal distress	183	42.9	456	49.8	639	47.6
Prolonged 2nd stage	201	47.1	253	27.7	454	33.8
Maternal cardiac disease	22	5.2	136	14.9	158	11.8
Hypertensive disorder	14	3.3	61	6.7	75	5.6
Previous c/s	2	0.5	3	0.3	5	0.4
others	5	1.2	6	0.7	11	0.8
Total	427	100.0	915	100.0	1342	100.0
Station at application
Station
Outlet	177	41.5	553	60.4	730	54.4
Low	201	47.1	359	39.2	560	41.7
Mid-cavity	49	11.5	3	0.3	52	3.9
Total	427	100	915	100	1342	100.0