Table 3.

Correlation of demographic variables with rectal volumes and pressures

Correlation variables	Patients (n = 100)		Healthy controls (n = 44)
	r value	P value	r value	P value
Rectal volumes versus sex
Constant sensation	− 0.163	0.105	0.168	0.275
Urge sensation	− 0.088	0.381	− 0.004	0.981
Maximal tolerable volume	− 0.058	0.568	− 0.055	0.722
Rectal pressures versus sex
Constant sensation	− 0.139	0.167	− 0.241	0.120
Urge sensation	− 0.114	0.259	− 0.423	0.004**
Maximal tolerable pressure	− 0.147	0.145	− 0.210	0.172
Rectal volumes versus age
Constant sensation	− 0.008	0.936	− 0.263	0.084
Urge sensation	− 0.088	0.382	0.075	0.630
Maximal tolerable volume	− 0.104	0.304	0.102	0.512
Rectal pressures versus age
Constant sensation	0.174	0.083	0.014	0.928
Urge sensation	0.197	0.050	0.152	0.325
Maximal tolerable pressure	0.119	0.239	0.077	0.618

**Statistical significance of P < 0.005