Table 1. FGS diagnostic categories used for data analysis.

Category:	1 (RP)	2 (HSP)	3 (GSP)	4 (NoFGS eggpos)	5 (NoFGS eggneg)
Rubbery papule (RP)	√	-	-	-	-
Homogenous sandy patch (HSP)	?	√	-	-	-
Grainy sandy patch (GSP)	?	?	√	-	-
Urine egg positive (n)	15	2	14	48	0
Urine egg negative (n)	0	8	2	0	29
Total n	15	10	16	48	29
Mean (median) age	19 (19)	23 (22)	25 (24)	22 (20)	23 (21)
Age range (yrs)	15–25	15–35	16–32	15–33	15–35
Mean (median) egg count	262 (125)	15 (0)	134 (9)	346 (35)	0 (0)
Egg count range	2–1091	0–74	0–877	1–2463	0

√: At least one manifestation of the pathology type in question.

?: The pathology can be present.

- : No manifestations of the given type.

Below the category number in brackets are the terms used in the text and on figure 1 for each grouping.