Observational Study
Copyright ©The Author(s) 2022.
World J Clin Cases. Dec 6, 2022; 10(34): 12566-12577
Published online Dec 6, 2022. doi: 10.12998/wjcc.v10.i34.12566
Table 1 Comparison of baseline data between the two groups, n = 289
Variable
Generic, n (%)
Brand, n (%)
t (χ2)a statistic
P
Total140149
Age (yr) 9.23a0.01
< 4052 (37.1)33 (22.1)
40-6573 (52.1)103 (69.1)
> 6515 (10.7)13 (8.7)
Sex0.23a0.63
Female59 (42.1)67 (45.0)
Male81 (57.9)82 (55.0)
Co-morbidities32.28a< 0.001
None65 (46.4)25 (16.8)
one to two61 (43.6)85 (57.0)
More than two14 (10.0)39 (26.2)
USD cirrhosis15.10a< 0.001
No113 (80.7)89 (59.7)
Yes27 (19.3)60 (40.3)
HCV genotype9.86a0.02
188 (62.9)109 (73.2)
24 (2.9)2 (1.3)
333 (23.6)16 (10.7)
415 (10.7)22 (14.8)
WBC (× 109/L) ± SD6.26 ± 3.345.82 ± 2.151.370.17
Haemoglobin (g/dL) ± SD12.50 ± 2.5212.80 ± 2.12-1.10.27
Platelets (× 109/L) ± SD232.35 ± 108.08189.01 ± 95.48 3.62< 0.001
PT (sec) ± SD14.11 ± 11.9413.3 ± 1.880.80.43
PTT (sec) ± SD24.16 ± 2.9426.21 ± 3.79-5.1< 0.001
INR ± SD1.08 ± 0.181.31 ± 2.22-1.20.23
Creatinine (μmol/L) ± SD66.86 ± 21.0789.68 ± 148.85-1.80.07
Albumin (g/L) ± SD 41.04 ± 5.1138.81 ± 6.053.360.01
Total bilirubin (μmol/L) ± SD17.68 ± 15.6218.72 ± 18.26-0.520.6
ALP (U/L) ± SD93.31 ± 43.54102.02 ± 43.79-1.70.09
ALT (U/L) ± SD71.66 ± 57.5961.96 ± 41.471.650.1
gGT(U/L) ± SD84.44 ± 109.99101.76 ± 92.69-1.450.15
Table 2 Predictors of not achieving sustained virologic response in the overall sample identified using a multivariable regression model, n = 289
Variable
No SVR, n (%)
Crude OR, (95%CI)
Adjusted OR, (95%CI)
Adjusted P
Age (yr)
< 40 6 (7.1)11
40-658 (4.5)0.63 (0.21-1.87)0.26 (0.67-0.99)0.049
> 654 (14.3)2.19 (0.57-8.42)1.26 (0.23-6.96)0.79
Sex
Female8 (4.8)11
Male12 (7.4)1.59 (0.58-4.36)3.0 (0.87-10.37)0.08
Co-morbidities
None2 (2.2)11
0ne to two10 (6.8)3.24 (0.69-15.12)1.36 (0.22-8.38)0.74
More than two6 (11.3)5.62 (1.09- 28.93)3.63 (0.52-25.49)0.19
USD cirrhosis
No 5 (2.5)11
Yes13 (14.9)6.92 (2.39-20.10)9.41 (2.47-35.84)0.001
HCV genotype
110 (4.9)11
36 (12.2)2.69 (0.93-7.81)3.56 (1.03-12.38)0.044
42 (5.4)1.10 (0.23-5.25)0.69 (0.13-3.75)0.67
DAC regimen
Generic6 (4.3)11
Brand12 (8.1)1.96 (0.71-5.36)2.00 (0.57-7.04)0.28
WBC (× 109/L) 1.04 (0.89-1.21)
Haemoglobin (g/dL) 1.14 (0.92-1.41)
Platelets (× 109/L)1.00 (0.96-1.01)
PT (sec) 1.02 (0.95-1.05)
PTT (sec)1.12 (0.98-1.29)
INR 0.99 (0.72-1.38)
Creatinine (μmol/L)1.00 (0.98-1.01)
Albumin (g/L) 0.98 (0.90-1.06)
Total bilirubin (μmol/L) 0.99 (0.96-1.03)
ALP (U/L)1.05 (0.99-1.02)
ALT (U/L)1.01 (1.00-1.02)
gGT(U/L) 1.03 (1.00-1.06)
Table 3 Predictors of not achieving sustained virologic response in patients receiving only sofosbuvir-based therapy identified using a multivariable regression model, n = 223
Variable
No SVR, n (%)
Crude OR (95%CI)
Adjusted OR (95%CI)
Adjusted P
Age (yr)
< 40 5 (7.5)11
40-656 (4.5)0.58 (0.17-1.98)0.30 (0.07-1.35)0.12
> 6520 (9.1)1.24 (0.22-6.89)0.69 (0.08-5.81)0.73
Sex
Female4 (4.3)11
Male9 (6.9)1.66 (0.49-5.55)2.33 (0.57-9.53)0.24
Co-morbidities
None2 (2.6)11
0ne to two7 (6.3)2.47 (0.50-12.21)1.03 (0.14-7.61)0.98
More than two4 (11.4)4.77 (0.83-27.43)3.45 (0.41-29.05)0.26
USD cirrhosis
No 4 (2.6)11
Yes9 (13.2)5.76 (1.71-19.42)8.99 (1.83-44.16)0.007
HCV genotype
16 (4.1)11
36 (12.2)3.30 (1.01-10.77)4.44 (1.17-16.89)0.03
41 (3.8)0.95 (0.11-8.20)0.95 (0.10-9.45)0.96
DAC regimen
Generic6 (4.3)11
Brand7 (8.4)2.06 (0.67-6.34)1.42 (0.34-5.94)0.63
WBC (× 109/L) 0.98 (0.80-1.21)
Haemoglobin (g/dL) 1.15 (0.89-1.48)
Platelets (× 109/L)1.00 (0.99-1.01)
PT (sec) 1.02 (0.95-1.06)
PTT (sec)1.17 (1.00-1.37)
INR 1.00 (0.72-1.38)
Creatinine (μmol/L)1.00 (0.97-1.03)
Albumin (g/L) 0.97 (0.90-1.06)
Total bilirubin (μmol/L) 0.99 (0.95-1.03)
ALP (U/L)1.01 (1.00-1.02)
ALT (U/L)1.01 (1.00-1.02)
gGT(U/L) 1.03 (1.00-1.07)
Table 4 Changes in laboratory parameters before or at the end of treatment (12 wk) among patients who received generic and brand direct antiviral agents
Variable
Period
Generic, mean ± SD
P
Brand, mean ± SD
P
WBC (× 109/L) wk 06.27 ± 3.340.155.82 ± 2.150.005
EOT6.67 ± 3.626.13 ± 2.40
Haemoglobin (g/dL) wk 012.50 ± 2.520.1712.81 ± 2.120.94
EOT12.71 ± 2.4412.81 ± 2.25
Platelets (× 109/L)wk 0232.35 ± 108.1< 0.001189.01 ± 95.48< 0.001
EOT257.63 ± 113.11210.85 ± 100.69
PT (sec) wk 014.11 ± 11.930.5213.32 ± 1.880.91
EOT13.31 ± 8.7913.30 ± 1.91
PTT (sec)wk 024.16 ± 2.910.00126.20 ± 3.790.22
EOT23.14 ± 4.2525.90 ± 3.22
INRwk 01.08 ± 0.180.71.31 ± 2.220.31
EOT1.11 ± 0.871.12 ± 0.17
Creatinine (μmol/L)wk 066.86 ± 21.070.0589.68 ± 148.850.55
EOT70.50 ± 31.9492.05 ± 138.93
Albumin (g/L) wk 041.04 ± 5.11< 0.00138.82 ± 6.05< 0.001
EOT42.78 ± 5.4640.90 ± 5.48
Total bilirubin (μmol/L) wk 017.68 ± 15.62< 0.00118.72 ± 18.260.004
EOT14.30 ± 12.6415.14 ± 13.74
ALP (U/L)wk 093.31 ± 43.55< 0.001102.02 ± 43.790.18
EOT77.32 ± 32.6594.79 ± 73.56
ALT (U/L)wk 071.66 ± 57.59< 0.00161.96 ± 41.47< 0.001
EOT27.09 ± 33.5629.09 ± 24.58
gGT(U/L) w 084.44 ± 109.98< 0.001101.76 ± 92.69< 0.001
EOT43.48 ± 62.6550.64 ± 53.37