Functional activity of the rectum: A conduit organ or a storage organ or both?

Table 1 Anal and rectal pressures at the 1^st rectal sensation and urgent sensation on slow gradual rectal filling (mean ± SD)

Pressure (cm H2O)
	Rectal		Anal
	Mean	Rang	Mean	Range
Basal	8.7 ± 0.9	8-10	73.6 ± 4.6	65-79
1st rectal sensation	51.4 ± 9.8d	32-68	70.6 ± 5.2	61-78
Urge	62.9 ± 14.2d	45-86	18.7 ± 2.3b	16-24

^bP < 0.01 vs the basal values;

^dP < 0.001 vs the basal values.