| 
      
        | CD4% strata | TAHOD | Aquitaine |  
        |  | N | Mean TLC (SD) | N | Mean TLC (SD) |  
        | <5 | 141 | 1146.1 (676.6) | 79 | 1026.1 (652.1) |  
        | 5-<10 | 120 | 1514.7 (805.4) | 95 | 1613.8 (980.5) |  
        | 10-<15 | 92 | 1523.4 (618.1) | 130 | 1769.9 (907) |  
        | 15-<20 | 43 | 1602.4 (697.6) | 125 | 1690.8 (762.1) |  
        | 20-<25 | 30 | 1610.8 (856.4) | 96 | 1681.0 (720.6) |  
        | 25+ | 16 | 1303.9 (532) | 149 | 1700.9 (540.5) |  
        | Total | 442 | 1406.3 (733.5) | 674 | 1618.2 (796.6) |  
        | p-value* for heterogeneity | 0.03 |  |  |  |