Table 1. Characteristics of study population.

Patient group	n	Age range	Residency in	Etiological	Sex
			non-endemic
		(median),	areas range
		years	(median), years	treatment	Male	Female
G0	46	26–63 (46)	10–53 (30)	0/46	19	27
G1	28	21–66 (46)	3–50 (34)	0/28	12	16
G2	13	26–64 (48)	7–63 (26)	2/13	8	5
G3	16	40–76 (58)	15–65 (43)	0/16	12	4
Uninfected	37	28–65 (45)	28–65 (45)	0/37	14	23