Table 1. Number of CD4 instruments and available and utilized CD4 capacity across all reporting countries, disaggregated by WHO region.

	Number of CD4 Conventional Instruments*	Number of CD4 POC Instruments*	Available CD4 Capacity per PLWHA #	Available CD4 Capacity per PLWHA on ART &	Number of CD4 Tests Performed per PLWHA on ART §
AFRO
2011	2,184	606	3.6	14.1	1.3
2012	2,240	875	3.8	12.7	1.1
2013	2,816	1,808	3.7	10.3	1.3
AMRO
2011	63	27	11.1	N/A	N/A
2012	218	10	5.8	14.4	1.4
2013	165	14	5.4	N/A	N/A
EMRO
2011	75	4	8.0	162.0	1.4
2012	113	5	12.7	211.6	2.6
2013	63	0	16.7	169.7	1.8
EURO
2011	27	0	3.6	25.9	2.0
2012	45	0	6.3	30.8	3.1
2013	52	0	9.8	41.1	3.3
SEARO
2011	214	73	5.6	38.3	1.2
2012	284	124	7.9	39.5	1.5
2013	438	53	4.5	11.9	1.8
WPRO
2011	512	0	18.9	57.2	2.6
2012	509	5	18.1	48.6	2.3
2013	654	60	23.0	53.6	2.0
Total
2011	3,075	710	4.6	18.7	1.4
2012	3,409	1,019	5.2	17.6	1.3
2013	4,188	1,935	4.6	12.8	1.4

AFRO, WHO African region; AMRO, WHO Region of the Americas; ART, antiretroviral therapy; EMRO, WHO Eastern-Mediterranean region; EURO, WHO European region; N/A, data not available; PLWHA, people living with HIV/AIDS; POC, point of care; SEARO, WHO South-East Asian region; WPRO, WHO Western Pacific region.

* Based on a subset of 69, 74, and 71 countries reporting the number of instruments in 2011, 2012, and 2013, respectively.

^# Based on a subset of 66, 71, and 68 countries with data available for number of instruments and number of PLWHA in 2011, 2012, and 2013, respectively.

^& Based on a subset of 54, 72, and 57 countries with data available for number of instruments and number of PLWHA on ART in 2011, 2012, and 2013, respectively.

^§ Based on subset of 44, 50, 46 countries with data available for number of CD4 tests and number of PLWHA on ART in 2011, 2012, and 2013, respectively.