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Increased HIV-positive results in samples requested for re-confirmatory testing from PIHEs.
| Year | Total | Negative | Positive | Indeterminate |
| 2012 | 460 | 146 (31.7%) | 67 (14.5%) | 247 (53.7%) |
| 2013 | 435 | 91 (20.9%) | 79 (18.2%) | 265 (60.9%) |
| 2014 | 398 | 71 (17.8%) | 41 (10.3%) | 286 (71.9%) |
| 2015 | 213 | 68 (31.9%) | 36 (16.9%) | 109 (51.2%) |
| 2016 | 220 | 98 (44.5%) | 63 (28.6%) | 59 (26.8%) |
| 2017 | 207 | 109 (52.7%) | 69 (33.3%) | 29 (14.0%) |
| P | <.0001 | <.0001 |
