Table 3.

Treatment effect of long-term ART in 204 patients

Treatment duration(months)	Number of patients	Patients with CD4 > 200 cells/μl	Patients with VL > LDL	Patients with NNRTIdr and CD4 > 200 cells/μl	Patients with NNRTIdr
6-18	184	156 (84.8%)	72 (39.1%)	34 (77.3%)	44
30-42	148	114 (77.0%)	95 (64.2%)	43 (76.8%)	56
54-67	200	147 (73.5%)	105 (52.5%)	49 (70.0%)	70
72-102	182	143 (78.6%)	81 (44.5%)	56 (77.8%)	72

notes:1. The number in this table refer to the number of certain patients, while proportions are in brackets.

2. VL refer to viral load,LDL refer to the lowest detectable viral load of certain method.