| 
      
        | Category    of CD4 T cell count (No. per µl) | No.    examined | %    distribution  of patients according to    WBC count |  
        | Low    (<2.6×109/L) | Normal    range (2.6-8.3×109/L) | High    (>8.3×109/L) |  
        | <200 | 89 | 12.3 | 79.8 | 7.9 |  
        | 200-499 | 83 | 6.0 | 86.7 | 7.2 |  
        | ≥ 500 | 20 | 0.0 | 95.0 | 5.0 |  
        | Overall | 192 | 8.3 | 84.4 | 7.3 |  
        |  | x2=4.660,    p=0.324 |  |