Table 1

Clinical characteristics and MHC class I haplotypes of long term nonprogressors

PatientHLA class I Year of diagnosisCD4+T cell count; cells/μl*CD8+T cell count; cells/μl†Plasma HIV RNA; copies/ml‡
ABC
41, 3157, 86, 719851,0631,088<50
52, 24576, 719851,105835<50
611, 3057, 527, 121986760803<50–62
71, 25761985277385<50
811, 2357, 444, 619856641,120<50–325
923, 2657, 441, 719971,079985<50
101, 3357, 5061996602584<50
123, 1157, 76, 71986500218<50
131, 1157, 354, 619861,016767<50
253, 2457, 272, 619861,0281,082<50–1,089
3031, 7457, 517, 161990422592<50
32, 313, 396, 719859151,079<50
172, 2627, 381, 1219851,0731,051<50
  • *Mean CD4+ T cell counts of uninfected individuals are 912 ± 24.08 cells/mm3 in this laboratory. 

  • Mean CD8+ T cell counts of uninfected individuals are 528 ± 20.8 cells/mm3 in this laboratory. 

  • Plasma virus was quantified by the bDNA assay (Chiron) with a 50 copies/ml plasma sensitivity.