The course of platelet counts over time.

(A) Platelet counts in 6 responsive patients. Each line represents values from a single patient identified by number (Table 1). ■ = H pylori eradication treatment (7 days). (B) Platelet counts in all 30 ITP patients. Most uninfected patients are under immunosuppressive therapy. Data are mean (SD). *P < .012 compared with initial count.