Table 1. Clinical characteristics of the diarrheal patients enrolled in this study

Ann Clin Microbiol 2023;26:67-73. Multicenter study on the molecular epidemiology of intestinal protozoan parasites in Korea

Collection Centers	Center 1	Center 2	Center 3	Center 4	Center 5	Center 6*	Subtotal
Region	Jeonnam	Gyeongnam	Kangwon	Gwangju	Metropolitan area	Nationwide
Total No. of enrolled patients	43	20	23	38	27	128	279
Female/Male (% Male)	22/21 (48.8)	10/10 (50.0)	12/11 (47.8)	20/18 (47.4)	11/16 (59.3)	59/69 (53.9)	134/145 (52.0)
Mean age (yr, range)	48 (0-88)	64 (0-90)	52 (1-87)	66 (1-88)	9 (0-51)	37 (1-97)	43 (0-97)
Immunosuppressive therapy (No. %)	6 (14.0)	3 (15.0)	1 (4.3)	9 (23.7)	0	N/A	19 (12.6)
Any suspicious food history (No. %)	2 (4.7)	2 (10.0)	2 (8.7)	4 (10.5)	1 (3.7)	N/A	11 (7.3)
Any suspicious travel history (No. %)	0	0	0	1 (2.6)	0	N/A	1 (0.7)

*Center 6 was a reference laboratory harboring branch offices nationwide. Abbreviation: N/A, not available.