Table 2.

Evaluated parameters of the esophageal space holder

Objectives	With retractor (n=8)	Control (n=8)	p
Weight of animal (kg)	42.3 (40.2 – 44.9)	39.5 (36.2 – 42.9)	0.122
Sex of animals (m:f)	5 : 3	4 : 4	1.0
Height above Z-line at 6 o’clock° (cm)	5.0 (3.3 – 6.4)	2.4 (2.0 – 4.1)	0.013
Height above Z-line at 12 o’clock° (cm)	3.8 (2.1 – 5.3)	2.3 (1.3 – 3.8)	0.017
Time needed for procedure (min)	20.2 (12.8 – 23.3)	5.9 (4.3 – 6.9)	<0.001
Variability of stitch height* (cm)	2.3 (0.9 – 2.5)	0.7 (0.2 – 1.4)	0.051
Stitch distance$ (cm)	0.4 (0.3 – 1.2)	0.4 (0.3 – 1.2)	1.00

^°in lithotomy position

^*Difference between stitch at 3 o’clock and at 9 o’clock

^$Difference between longest and shortest luminal stitch