Table 4. CD4 count, viral load and HIV drug resistance at months 6 and 12 of switching regimen among patients with VL < 1000 copies/ml at baseline (n = 213).

Characteristics at baseline	No. of patients	Before regimen switch			6 month after regimen switch			12 month after regimen switch
		Median CD4 count (cell/mm3)	VL ≥ 1000 N(%)	HIVDR N(%)	Median CD4 count (cell/mm3)	VL ≥ 1000 N(%)	HIVDR N(%)	Median CD4 count (cell/mm3)	VL ≥ 1000 N(%)	HIVDR N(%)
VL < 1000 and
CD4 < 200	24	132	0(0)	0(0)	190	5(21.7)	2(8.7)	242	4(21.0)	1(5.3)
CD4 ≥ 200	189	405	0(0)	0(0)	443	5(2.7)	2(1.1)	451	9(4.9)	3(1.6)