Effect of biofeedback combined with high-quality nursing in treatment of functional constipation

Table 5 Anorectal pressure measurement before and after treatment

Items, mmHg	Control, n = 50		Experiment, n = 50		t value	P value
	Before treatment	After treatment	Before treatment	After treatment
Anal canal resting pressure	63.25 ± 13.86	46.92 ± 13.43	63.27 ± 12.52	41.37 ± 11.58	2.213	< 0.05
Maximum systolic pressure	104.93 ± 32.18	122.71 ± 33.15	105.1 ± 31.93	127.62 ± 32.87	-0.737	< 0.05
Initial defecation threshold	75.31 ± 24.42	58.89 ± 15.15	76.33 ± 25.06	53.28 ± 12.23	2.037	< 0.05