Table 1.

Basic information of enrolled subjects

		PD	Control	P valuea
Number of subjects		19	22
Gender	Male	12	16	0.511
	Female	7	6
Ageb		65 (61, 75)	64 (56, 68)	0.129
Location	Sigmoid	20	21	0.570
	Duodenum	10	7

^aP values were calculated using the chi-square test (gender and location) and Wilcoxon test (age) to evaluate the characteristics between the two groups. P value > 0.05 was considered no statistical difference

^bExhibiting as average (minimum, maximum)