Background
Subjects and methods
Results
The prevalence of HBsAg, anti-HBc and anti-HBs among pregnant women
Age group | HBsAg | OR | anti-HBc | OR | anti-HBs | OR | |||
---|---|---|---|---|---|---|---|---|---|
Positive | Negative | Positive | Negative | Positive | Negative | ||||
less than 20 years old | 2 | 152 | 1.0@ | 11 | 143 | 1.0@ | 107 | 47 | 1.0@ |
n=154 | (1.30%) | (98.70%) | (7.14%) | (92.86%) | (69.48%) | (30.54%) | |||
older than 20 years | 247 | 4135 | 4.54 | 1334 | 3048 | 5.69 | 2549 | 1833 | 0.61 |
n=4382 | (5.64%) | (94.36%) | (30.44%) | (69.56%) | (58.17%) | (41.83%) | |||
total | 249 | 4287 | 1345 | 3191 | 2656 | 1880 | |||
n=4536 | (5.49%) | (94.51%) | (29.65%) | (70.35%) | (58.55%) | (41.45%) | |||
X2 | 4.59 | 37.61 | 7.38 | ||||||
P
| < 0.05 | < 0.01 | < 0.05 |
HBeAg status and HBVDNA load among HBsAg positive pregnant women
HBVDNA | HBeAg positive | HBeAg negative | Total |
---|---|---|---|
IU/ml | n=167 | n=82 | n=249 |
<12 | 0(0%) | 45(54.88%) | 45(18.07%) |
(12–50) | 2(1.20%) | 9(39.02%) | 11(4.42%) |
(50-<107) | 128(76.64%) | 28(6.10%) | 156(62.65%) |
(>107) | 37(22.16%) | 0(0%) | 37(14.86%) |
HBV infection of infants
No. | Mothers | Infants | ||||||||
---|---|---|---|---|---|---|---|---|---|---|
HBsAg | HBeAg | anti-HBc | anti-HBs | HBVDNA (IU/ml) | HBsAg | HBeAg | anti-HBc | anti-HBs | HBVDNA (IU/ml) | |
1 | + | + | + | - | 5.56×107 | + | + | + | - | 1.14×107 |
2 | + | + | + | - | 5.49×108 | + | + | + | + | 1.73×107 |
3 | + | + | + | - | 2.37×108 | + | + | + | - | 2.80×108 |
4 | + | + | + | - | 4.12×108 | + | + | + | + | 2.21×107 |
5 | + | + | + | - | 2.89×109 | + | + | + | - | 9.63×108 |
6 | + | + | + | - | 2.16×107 | + | + | + | - | 6.98×107 |
7 | + | + | + | - | 2.63×108 | + | + | + | - | 2.94×107 |
8 | + | + | + | - | 2.03×108 | + | + | + | - | 7.82×107 |
9 | + | + | + | - | 6.61×107 | + | + | + | - | 2.24×107 |
10 | + | + | + | - | 7.17×107 | + | + | + | - | 1.15×107 |
11 | + | + | + | - | 1.93×107 | + | + | + | - | 3.77×107 |
12 | + | + | + | - | 2.59×107 | + | + | + | - | 6.42×107 |
HBV genotypes among pregnant women and their infants
Group | Genotype B | Genotype C |
---|---|---|
Infants with HBV infection | 2 | 10 |
n=12 | ||
Infants without HBV infection |
78
|
75
|
n=153 | ||
total |
80
|
85
|
n=165 |