From: Bartonella seropositivity in children with Henoch-Schonlein purpura
 | n | Titer < 1:64 | Titer 1:64 – 1: 128 | Titer ≥ 1: 256 | Total seropositives |
---|---|---|---|---|---|
Current HSP | 6 | 3 (50%) | 2 (33%) | 1 (17%) | 3 (50%) |
Remote HSP | 22 | 8 (36%) | 10 (45%) | 4 (18%) | 14 (63%) |
HSP ≤ 12 months earlier | 11 | 6 (54%) | 2 (18%) | 3 (27%) | 5 (45%) |
HSP > 12 months earlier | 17 | 5 (29%) | 10 (59%) | 2 (12%) | 12 (71%) |
All HSP | 28 | 11 (39%) | 12 (43%) | 5 (18%) | 17 (61%) |
Controls | 28 | 22 (79%) | 6 (21%) | 0 | 6 (21%) |