. 2019 Dec 12;14(12):e0226293. doi: 10.1371/journal.pone.0226293

Table 2. Immunological recovery and failure among patients on ART from April, 2015 to January, 2019 in Tigray region, Northern Ethiopia.

Characteristics	Category	Frequency (%)	95% CI
Immunological recovery among patients with advanced HIV infection, n = 9687	<200 CD-4 T-cells / mm³	2154 (22.24)	21.41–23.08
	200–499 CD-4 T-cells / mm³	4787 (49.42)	48.42–50.42
	+500 CD-4 T-cells / mm³	2746 (28.35)	27.45–29.26
Immunological failure. n = 19525	WHO definition 2013	3792 (19.42)	18.87–19.98
Immunological failure. n = 19525	WHO definition 2016	417 (2.14)	1.94–2.35