Table 5.

Degree of Symptoms Related to Constipation

Domains	Groupa				P-valueb
	I	II	III	IV
Abdominal symptoms	1.01 ± 0.69	1.47 ± 0.78	1.42 ± 0.79	1.98 ± 0.84	< 0.001
Rectal symptoms	0.74 ± 0.82	0.94 ± 0.90	0.78 ± 0.80	1.24 ± 0.93	< 0.001
Stool symptoms	1.66 ± 0.99	2.02 ± 0.96	2.23 ± 0.86	2.54 ± 0.93	< 0.001
Total score	1.22 ± 0.70	1.57 ± 0.74	1.60 ± 0.67	2.01 ± 0.78	< 0.001

^aGrouping is as follows; group I, patients with no overlap with other disorders; group II, patients overlapped with gastroesophageal reflux disease (GERD); group III, patients overlapped with functional dyspepsia (FD); group IV, patients overlapped with both GERD and FD.

^bThe P-value in each domain was derived from one-way ANOVA test.