Neutrophil count(cells/mm³) Range
≥ 1500 Normal
1000 - 1500 Mildly reduced
500 - 1000 Moderately reduced
< 500 Severely reduced

Reference [7]
Neutrophil count(cells/mm³) PegIFN + RBV PegIFN + RBV + PI
> 1500 23% 15%
1000 - 1500 35% 27%
750 - 999 23% 27%
500 - 749 14% 24%
< 500 4% 7%
GCSF use
(% of patients)
6% 10%


Platelet count (#/mm³) Range
150,000 - 450,000 Normal
50,000 - 149,999 Reduced
20,000 - 49,999 Greatly reduced
< 20,000 Severely reduced


Reference [7]
Platelet count (#/mm³) PegIFN + RBV PegIFN + RBV + PI
> 100,000 87% 69%
70,000 - 100,000 11% 18%
50,000 - 69,999 1% 8%
25,000 - 49,999 1% 3%
< 25,000 0% < 1%