Research Article

Effectiveness and Safety of Low Dose of Tenofovir Disoproxil Fumarate in Malagasy Patients with Chronic Hepatitis B

Table 1

Baseline characteristics of patients.

CharacteristicsTotal population ()NA-naïve ()NA-experienced, viraemic ()NA-experienced, nonviraemic ()

Gender, male, (%)31 (68.9)11 (73.3)15 (75)5 (50)
Age (years), means (SD)45.1 (11.5)41 (13)46 (10)48 (12)
Age range (years), (%)
 <5031 (68.9)13 (86.7)13 (65)5 (50)
 ≥5014 (31.1)2 (13.3)7 (35)5 (50)
Hypertension, (%)5 (11,1)3 (20)1 (5)1 (10)
Diabetes, (%)4 (8.9)3 (20)0 (0)1 (10)
Methods of HBV discovery, (%)
 Routine screening34 (75.6)10 (66.7)18 (90)6 (60)
 Etiological work-up chronic liver disease7 (15.6)3 (20)0 (0)4 (40)
 Disturbances in liver tests4 (8.9)2 (13.3)2 (10)0 (0)
HBeAg positive30 (66.7)10 (66.7)17 (85)3 (30)
HBeAg negative15 (33.3)5 (33.3)3 (15)7 (70)
Fibrosis status, (%)
 F03 (6.7)2 (13.3)1 (5)0 (0)
 F113 (28.9)5 (33.3)6 (30)2 (20)
 F221 (46.7)5 (33.3)12 (60)4 (40)
 F31 (2.2)0 (0)1 (5)0 (0)
 F47 (15.6)3 (20)0 (0)4 (40)
Cirrhosis, (%)7 (15.6)3 (20)0 (0)4 (40)
Child-Pugh class (), (%)
 A4 (57.1)2 (66.7)0 (0)2 (50)
 B3 (42.9)1 (33.3)0 (0)2 (50)
 C0 (0)0 (0)0 (0)0 (0)
HBV-DNA (IU/mL)
 <200013 (28.9)0 (0)3 (15)10 (100)
 2000–20,00017 (37.8)7 (46.7)10 (50)0 (0)
 >20,00015 (33.3)8 (53.3)7 (35)0 (0)
 High viral load (>1,000,000 IU/mL), (%)5 (11.1)3 (20)2 (10)0 (0)
 Undetectable viral load (<20 IU/mL), (%)10 (22.2)0 (0)0 (0)10 (100)
 Means HBV-DNA (SD) (log10 IU/mL)3.7 (1.8)4.8 (1.2)4.2 (1.2)1 (0)
ALT (IU/L), means (SD)54.8 (55.2)76 (83)52 (35)27 (7)
 <4029 (64.4)9 (60)10 (50)10 (100)
 40–808 (17.8)2 (13.3)6 (30)0 (0)
 >808 (17.8)4 (26.7)4 (20)0 (0)
Platelets (103/mm3), means (SD)241.6 (80.7)255.9 (90.7)266.2 (50.5)170.9 (80.1)
INR, means (SD)1.1 (0.1)1.1 (0.1)1 (0.1)1.2 (0.2)
Serum creatinine level (μmol/L), means (SD)69 (14.3)65 (14)69 (13)74 (17)
eGFR (ml/mn/1.73 m2), means (SD)120.4 (20.2)120 (15)119 (21)110 (22)
 <600 (0)0 (0)0 (0)0 (0)
 60–897 (15.6)0 (0)4 (20)3 (30)
 >8938 (84.4)15 (100)16 (80)7 (70)
Treatment-naïve (NA-naïve), (%)15 (33.3)15 (100)--
Prior NA therapy (NA-experienced), (%)
 Lamivudine20 (44.4)-20 (100)0 (0)
 Full-dose tenofovir10 (22.2)-0 (0)10 (100)

HBeAg: hepatitis B e antigen; DNA: deoxyribonucleic acid; HBV: hepatitis B virus; ALT: alanine aminotransferase; INR: international normalized ratio; eGFR: estimated glomerular filtration rate; SD: standard deviation; NA: nucleos(t)ide analog.