TABLE 1.

Descriptive Summary and 90% Percentile Intervals Based on Healthy Volunteers for Conventional GES Parameters

Variable	n	Median	Range	P^*	5%, 95% CI
Percentage total, 30 min	19	45%	31%–63%	0.11	31%, 63%
Percentage total, 60 min	22	40%	17%–63%		19%, 62%
Percentage total, 120 min	13	51%	32%–61%		32%, 61%
Proximal-to-distal ratio, 30 min	19	1.67	0.36–6.62	0.035	0.36, 6.62
Proximal-to-distal ratio, 60 min	22	1.89	0.71–4.71		0.88, 3.15
Proximal-to-distal ratio, 120 min	13	2.65	1.25–6.38		1.25, 6.38
EF, 30 min	21	23%	8%–44%	0.022	14%, 36%
EF, 60 min	22	27%	19%–42%		19%, 40%
EF, 120 min	14	32%	11%–41%		11%, 41%
Frequency (cycle/min), 30 min	21	3.08	2.58–3.45	0.11	2.67, 3.33
Frequency (cycle/min), 60 min	22	2.86	2.40–3.57		2.76, 3.48
Frequency (cycle/min), 120 min	14	2.91	2.42–3.20		2.42, 3.20