Table 4.

Number of patients with chronic functional constipation based on ROME III criteria in the cupping and polyethylene glycol (PEG) groups after 2, 4, 8 and 12 weeks ^*

Weeks of the interventions	Cupping (n=58)	PEG (n=60)	P value
2 weeks	58(100%)	17(28.3%)	<0.01
4 weeks	5(8.6%)	14(23.3%)	0.03
8 weeks	8(13.8%)	9(15%)	0.85
12 weeks	12(20.7%)	10(16.7%)	0.57

^*Data are presented as No. (%)