Table 3. Feasibility of 2D ultrasound vs. live xPlane according to fetal spine position.

Fetal position	2D (n = 114)	Live xPlane (n = 114)	P value
Anterior	26/26 (100)	6/25 (24)	<0.001
Posterior	22/22 (100)	24/24 (100)	1
Right	28/28 (100)	27/27 (100)	1
Left	32/32 (100)	30/32 (93.8)	0.856
Inferior	6/6 (100)	2/6 (33.3)	<0.001
Superior	0/0 (0)	0/0 (0)	n/a
Total	114/114 (100)	89/114 (78.07)	<0.001

Note:

Data is presented as number (percentage).