Cascade of care of people diagnosed with HIV in New Zealand between 2006 and 2017

Objectives We estimated the proportion of people reported with HIV in New Zealand between 2006 and 2017, and alive in 2017–2019, who were on antiretroviral therapy (ART) and had a suppressed viral load (VL), and explored their associated characteristics. Methods Data were anonymously linked to information on ART and VL within the data collection period (January 2017 to August 2019) using the National Health Index (NHI), Ministry of Health and laboratory datasets, as well as information from clinical specialists. Logistic regression was used to test for associations. Sensitivity analyses were undertaken to estimate the range for the key proportions. Results Overall, 2355 people were reported with HIV, of whom 116 (5%) had died, 337 (14%) were overseas, and 1701 (72%) were alive in New Zealand; for the remaining 201 (9%) the outcome was unknown. Clinical data were available for 1490 people (87.6%): 1408 (94.5%) were on ART, 11 (