Table 1.

Effects of stress on gut propagating contractile clusters

Parameter	Tissue	Unstressed	Stressed	P value (t test)
Velocity (mm/s)	Jejunum	2.635 ± 0.316 (17)	1.644 ± 0.238 (17)	< 0.001
	Colon	0.864 ± 0.183 (17)	1.432 ± 0.329 (17)	< 0.001
Frequency (Hz)	Jejunum	0.032 ± 0.008 (17)	0.016 ± 0.005 (17)	< 0.001
	Colon	0.005 ± 0.001 (17)	0.007 ± 0.001 (17)	0.008
Peak amplitude (mm)	Jejunum	0.437 ± 0.020 (17)	0.790 ± 0.015 (17)	< 0.001
	Colon	0.640 ± 0.118 (17)	0.645 ± 0.101 (17)	0.902