Table 1: The baseline characteristics of the patients.

CharacteristicsOverall ( )Group I: peg-IFN α-2a 180 μg/week plus ribavirin ( )Group II: peg-IFN α-2a 135 μg/week plus ribavirin ( )Group III: peg-IFN α-2a 90 μg/week plus ribavirin ( )

Demography and anthropometry
 Age (y), Mean (SD) 39.8 (9.9)38.5 (8.8)38.7 (9.7)41.7 (10.7)
 Sex, male/female (% male)145/98 (59.7)53/34 (60.9)38/25 (60.3)54/39 (58.1)
 Mean (SD) body wt (kg)59.2 (12.4)62.5 (10.8)61.3 (10.4)57.3 (10.6)
Genotype, n (%)
 1130 (53.5 )50 (52.3)32 (50.8)48 (51.6)
 220 (8.2%)4 (4.6)6 (9.4)10 (10.8)
 360 (24.7)21 (24.1)15 (23.8)24 (25.8)
 633 (13.6 )12 (13.8)10 (15.9)11 (11.8)
Diagnosis, n (%)
 Chronic hepatitis177 (72.8)66 (75.9)45 (71.4)66 (71.0)
 Cirrhosis66 (27.2)21 (24.1)18 (28.6)27 (29.0)
ALT
 Mean (SD) ALT level, IU / L, 97.5 (124.6)112.1 (164.3)104.2 (178.1)92.1 (152.7)
 No. (%) with <2 ULN 147 (60.5)56 (64.4)39 (61.9)52 (55.9)
 No. (%) with ≥2 ULN96 (39.5)31 (35.6)24 (38.1)41 (44.1)
HCV RNA level
 Median (range) HCV RNA, IU/mL × 103 636 (0.10–17650)678 (0.50–17650)625 (0.20–14200)512 (0.10–16250)
 No. (%) with <600 IU/mL × 103118 (48.6)40 (46.0)28 (44.4)50 (53.8)
 No. (%) with ≥600 IU/mL × 103125 (51.4)47 (54.0)35 (55.6)43 (46.2)

Notes. SD: standard deviation, ALT: serum alanine aminotransferase levels; ULN: upper limit of normal.