Table 2.

Repeated measures analysis of the change in response time from baseline for each time point.

Time point	Event	Accuracy, mean change from baseline (95% CI)	P value
2	30 minutes after Trendelenburg positioning	−0.04 (−0.11 to 0.04)	.34
3	60 minutes after Trendelenburg positioning	−0.08 (−0.16 to 0.01)	.03
4	90 minutes after Trendelenburg positioning	−0.11 (−0.18 to −0.03)	.004
5	120 minutes after Trendelenburg positioning	−0.15 (−0.22 to −0.07)	<.001
6	150 minutes after Trendelenburg positioning	−0.14 (−0.22 to −0.07)	<.001
7	Supine (after 180 minutes in the Trendelenburg position)	−0.19 (−0.26 to −0.11)	<.001
8	30 minutes after supine positioning	−0.15 (−0.22 to −0.7)	<.001
9	Sitting up (60 minutes after supine positioning)	−0.16 (−0.23 to −0.08)	<.001