Table 3

Median antifilarial IgG levels for the 126 persons in the Mapou cohort who received antifilarial drug treatment in 2000 and the 34 who did not, by year



Antifilarial Antibody Level*
Treatment status

2000
2001

Received treatment

Median (interquartile range)
Median (interquartile range)
p-value


IgG1
68.5 (22.2–147.5)
43.0 (20.9–85.6)
0.001

IgG4
57.5 (29.9–98.3)
55.9 (21.0–65.9)
0.067
Did not receive treatment





IgG1
64.5 (31.9–157.0)
100.0 (52.3–169.7)
0.101

IgG4
61.5 (45.6–104.6)
96.4 (52.40–216.0)
0.088

*units

Washington et al. Filaria Journal 2004 3:3   doi:10.1186/1475-2883-3-3