Retrospective Study
Copyright ©The Author(s) 2021.
World J Gastroenterol. Mar 21, 2021; 27(11): 1055-1063
Published online Mar 21, 2021. doi: 10.3748/wjg.v27.i11.1055
Table 2 Comparison of high-resolution anorectal manometry results between the Parkinson's disease with constipation and functional constipation groups

FC
PDC
P value
Rectal resting pressure (mmHg)82.36 (20.18)63.98 (30.94)0.032
Anal sphincter resting pressure (mmHg)89.55 (16.25)66.50 (19.35)< 0.001
Rectal maximum squeeze pressure (mmHg)189.50 (159.95,250.68)188.95 (139.60,234.00)0.516
Anal canal maximum squeeze pressure (mmHg)222.16 (86.26)195.25 (63.62)0.269
Intrarectal pressure (mmHg)43.08 (20.74)21.73 (14.61)0.001
Anal relaxation rate (%)23.00 (16.00, 42.58)0.16 (-0.07, 0.22)< 0.001
Residual anal pressure (mmHg)75.83 (33.55)69.70 (30.92)0.551
Rectoanal pressure difference (mmHg)-36.77 (36.56)-47.98 (27.38)0.279
Paradoxical contraction1 (5.0%)8 (40.0%)0.023