Ν %
Hepatitis Β Vaccination    
No 140 41.4
Yes 198 58.6
Number of Doses    
1 9 4.5
2 30 15.2
3 159 80.3
Result    
Negative 177 52.4
Positive 161 47.6
Antibody Titer    
<100 mIU/mL 221 65.4
100-1000 mIU/mL 114 33.7
>1000 mIU/mL 3 0.9
Table 5: Vaccination Level.