Table 1. Characteristic of HIV-positive immigrants: all, patients with strongyloidiasis (cases) and patients without strongyloidiasis (controls).

	All	Cases	Controls
	n = 138	n = 15	n = 123
GENERAL CHARACTERISTIC
Female, n (%)	69 (50)	7 (47)	62 (50.4)
Agea	38.5 (8), 37	36.6 (5.4), 38	37.2 (8.4), 36
ORIGIN, n (%)
Africa	107 (77.5)	14 (93.3)	93 (75.6)
Central and South America	27 (19.6)	1 (6.7)	26 (21.2)
Asia and Oceania	4 (2.9)	0	4 (3.2)
Length of stay in Italyb	87.1 (61.1), 73	86 (66), 97	87.3 (75.7), 68.8
PREVIOUS TREATMENTS, n (%)
Anti S. stercoralis	5 (3.6)	1 (6.6)	4 (3.2)
Corticosteroids	21 (15.2)	3 (20)	18 (14.6)
HIV INFECTION
CD4+ (μl)c	373 (244), 342	373 (210), 309	408 (259), 36
CD4+⩾350/μl, n (%)	65 (47.1)	6 (40)	59 (48)
HIV viral load <50 copies/μl, n (%)	54 (39.1)	5 (33.3)	49 (39.9)
HAART, n (%)	67 (48.5)	5 (33.3)	62 (50.4)

^aMean (SD), median in years.

^bMean (SD), median in months.

^cMean (SD), median.