| Assay carried    out | 
        Number of    samples tested | 
        Number of    samples positive | 
        Total | 
        Mean CD4+ counts of positive samples | 
       
      
        | Male (%) | 
        Female (%) | 
       
      
        | HBsAg | 
        100 | 
        5    (5%) | 
        2    (2%) | 
        7 (7%) | 
        228 | 
       
      
        | HBeAg | 
        100 | 
        3    (3%) | 
        1    (1%) | 
        4 (4%) | 
        278.5 | 
       
      
        | HBsAb | 
        100 | 
        1    (1%) | 
        4    (4%) | 
        5 (5%) | 
        199.5 | 
       
      
        | HBeAb | 
        100 | 
        1    (1%) | 
        6    (6%) | 
        7 (7%) | 
        194 | 
       
      
        | HBcAb | 
        100 | 
        8    (8%) | 
        15    (15%) | 
        23 (23%) | 
        232.5 | 
       
      
        | Syphilis    Ab | 
        80 | 
        8    (10%) | 
        8    (10%) | 
        16 (20%) | 
        290.5 | 
       
      |