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. 2011 Sep;25(9):503–510. doi: 10.1155/2011/698780

TABLE 2.

Adverse events (AEs), laboratory abnormalities and dosage modifications

Treatment setting
Academic (n=133) Community (n=250)
Withdrawal from treatment for AEs and/or laboratory abnormalities 14 (10.5) 25 (10.0)
Serious AEs 6 (5.1) 27 (11.8)
Serious AEs related to study medication* 3 (2.5) 17 (7.4)
Deaths 0 2 (0.8)
Laboratory abnormalities
  Hemoglobin <100 g/L 12 (9.0) 29 (11.6)
  Neutrophils <0.75×109/L 13 (9.8) 32 (12.8)
  Platelets <50×109/L 4 (3.0) 14 (5.6)
Dosage reductions
  Peginterferon alfa-2a 6 (4.5) 11 (4.4)
  Ribavirin 15 (11.3) 22 (8.8)
Discontinuation
  Peginterferon alfa-2a 82 (61.7) 122 (48.8)
  Ribavirin 81 (60.9) 124 (49.6)

Data presented as n (%).

*

Possibly, probably or definitely related to study drug in the opinion of the investigator;

Includes patients discontinued for any reason including lack of response, adverse events or laboratory abnormalities