Overall Sample | Ontario & Quebec Sub-analysis | ||||||
---|---|---|---|---|---|---|---|
Total N = 2013 | Atazanavir N = 1791 | Darunavir N = 222 | p | Atazanavir N = 544 | Darunavir N = 183 | p | |
Demographics | |||||||
Age | 40 (33–47) | 40 (33–47) | 40 (32–46) | 0.25 | 38 (32–45) | 39 (32–46) | 0.49 |
< 35 | 601 (30%) | 521 (29%) | 80 (36%) | 0.03 | 189 (35%) | 69 (38%) | 0.02 |
35–44 | 746 (37%) | 680 (38%) | 66 (30%) | 217 (40%) | 53 (29%) | ||
≥ 45 | 666 (33%) | 590 (33%) | 76 (34%) | 138 (25%) | 61 (33%) | ||
Male | 1632 (81%) | 1439 (81%) | 193 (87%) | 0.02 | 434 (80%) | 162 (89%) | <.01 |
Gender & MSM | |||||||
Female | 373 (19%) | 344 (19%) | 29 (13%) | <.0001 | 110 (20%) | 21 (11%) | <.01 |
MSM | 764 (38%) | 646 (36%) | 118 (53%) | 293 (54%) | 113 (62%) | ||
Male, not MSM | 479 (24%) | 451 (25%) | 28 (13%) | 93 (17%) | 22 (12%) | ||
Missing | 397 (20%) | 350 (20%) | 47 (21%) | 48 (9%) | 27 (15%) | ||
Race | |||||||
White | 531 (26%) | 492 (27%) | 39 (18%) | <.001 | 146 (27%) | 34 (19%) | <.0001 |
Black | 128 (6%) | 117 (7%) | 11 (5%) | 84 (15%) | 11 (6%) | ||
Aboriginal Peoples | 109 (5%) | 101 (6%) | 8 (4%) | 11 (2%) | 7 (4%) | ||
Other | 145 (7%) | 133 (7%) | 12 (5%) | 41 (8%) | 9 (5%) | ||
Missing | 1100 (55%) | 948 (53%) | 152 (68%) | 262 (48%) | 122 (67%) | ||
Injection drug use | |||||||
No | 1207 (60%) | 1053 (59%) | 154 (69%) | <.0001 | 426 (78%) | 142 (78%) | 0.03 |
Yes | 542 (27%) | 521 (29%) | 21 (9%) | 59 (11%) | 11 (6%) | ||
Missing | 264 (13%) | 217 (12%) | 47 (21%) | 59 (11%) | 30 (16%) | ||
Endemic countryb | |||||||
No | 537 (27%) | 406 (23%) | 131 (59%) | <.0001 | 406 (75%) | 131 (72%) | 0.02 |
Yes | 99 (5%) | 80 (4%) | 19 (9%) | 80 (15%) | 19 (10%) | ||
Missing | 1377 (68%) | 1305 (73%) | 72 (32%) | 58 (11%) | 33 (18%) | ||
Province | |||||||
British Columbia | 1286 (64%) | 1247 (70%) | 39 (18%) | <.0001 | -- | -- | |
Ontario | 355 (18%) | 264 (15%) | 91 (41%) | 264 (49%) | 91 (50%) | 0.78 | |
Quebec | 372 (18%) | 280 (16%) | 92 (41%) | 280 (51%) | 92 (50%) | ||
Clinical | |||||||
Hepatitis C | |||||||
No | 1349 (67%) | 1168 (65%) | 181 (82%) | <.0001 | 449 (83%) | 155 (85%) | 0.75 |
Yes | 559 (28%) | 530 (30%) | 29 (13%) | 71 (13%) | 20 (11%) | ||
Missing | 105 (5%) | 93 (5%) | 12 (5%) | 24 (4%) | 8 (4%) | ||
CD4 count (cells/mm3) | 220 (120–330) | 220 (120–320) | 280 (130–370) | <.01 | 230 (149–310) | 286 (130–370) | <.01 |
<200 | 869 (43%) | 795 (44%) | 74 (33%) | <.001 | 214 (39%) | 60 (33%) | <.0001 |
200–349 | 693 (34%) | 620 (35%) | 73 (33%) | 234 (43%) | 60 (33%) | ||
350–499 | 287 (14%) | 237 (13%) | 50 (23%) | 69 (13%) | 45 (25%) | ||
≥500 | 164 (8%) | 139 (8%) | 25 (11%) | 27 (5%) | 18 (10%) | ||
Log 10 (VL copies/mL) | 4.91 (4.41–5.11) | 4.90 (4.42–5.05) | 4.94 (4.36–5.44) | 0.03 | 4.82 (4.35–5.26) | 4.90 (4.26–5.39) | 0.43 |
VL ≥ 100,000 copies/mL | 881 (44%) | 780 (44%) | 101 (45%) | 0.58 | 209 (38%) | 77 (42%) | 0.38 |
Year of cART initiation | 2009 (2007–2010) | 2008 (2006–2010) | 2011 (2010–2011) | <.0001 | 2008 (2007–2009) | 2010 (2010–2011) | <.0001 |
2003–2006 | 474 (24%) | 473 (26%) | 1 (0%) | <.0001 | 121 (22%) | 1 (1%) | <.0001 |
2007–2009 | 799 (40%) | 767 (43%) | 32 (14%) | 307 (56%) | 32 (17%) | ||
2010–2012 | 740 (37%) | 551 (31%) | 189 (85%) | 116 (21%) | 150 (82%) | ||
First NRTIs | |||||||
3TC/ABA | 499 (25%) | 441 (25%) | 58 (26%) | <.0001 | 259 (48%) | 53 (29%) | <.0001 |
3TC/TDF | 285 (14%) | 284 (16%) | 1 (0%) | 36 (7%) | 1 (1%) | ||
FTC/TDF | 1172 (58%) | 1009 (56%) | 163 (73%) | 230 (42%) | 129 (70%) | ||
Other | 57 (3%) | 57 (3%) | 0 (0%) | 19 (3%) | 0 (0%) | ||
Follow up | |||||||
Years of Follow up | 3.10 (1.45–5.16) | 3.50 (1.63–5.38) | 1.48 (0.69–2.25) | <.0001 | 3.73 (2.20–5.32) | 1.68 (0.86–2.46) | <.0001 |
VLs per year | 4.67 (3.61–6.21) | 4.68 (3.63–6.16) | 4.50 (3.55–6.56) | 0.71 | 3.88 (3.12–4.76) | 4.32 (3.44–5.76) | <.001 |
0–3 | 274 (14%) | 246 (14%) | 28 (13%) | 0.43 | 121 (22%) | 26 (14%) | <.001 |
3–6 | 1187 (59%) | 1062 (59%) | 125 (56%) | 358 (66%) | 115 (63%) | ||
> 6 | 552 (27%) | 483 (27%) | 69 (31%) | 65 (12%) | 42 (23%) |