TABLE 1.
Baseline characteristics of 7013 people living with HIV in British Columbia, Canada
| Characteristic | n (% or median) (N=7013) |
30-day readmission- all cause |
p - value |
|
|---|---|---|---|---|
| Yes (column % or median) (n = 921 ) |
No (column % or median) (n =6092 ) |
|||
| Attachment1 to primary physician within 12 months | ||||
| 0–10% | 68 (1.0) | 28 (3.0) | 40 (0.7) | < 0.01 |
| >10% & ≤ 20% | 667 (9.5) | 142 (15.4) | 525 (8.6) | |
| >20% & ≤ 30% | 1156 (16.5) | 202 (21.9) | 954 (15.7) | |
| >30% & ≤ 40% | 1377 (19.6) | 178 (19.3) | 1199 (19.7) | |
| >40% & ≤ 50% | 1305 (18.6) | 133 (14.4) | 1172 (19.2) | |
| >50% & ≤ 60% | 853 (12.2) | 92 (10.0) | 761 (12.5) | |
| >60% & ≤ 70% | 683 (9.7) | 63 (6.8) | 620 (10.2) | |
| >70% & ≤ 80% | 531 (7.6) | 50 (5.4) | 481 (7.9) | |
| >80% & ≤ 90% | 280 (4.0) | 29 (3.2) | 251 (4.1) | |
| >90% & ≤ 100% | 93 (1.3) | 4 (0.4) | 89 (1.5) | |
| Sex | ||||
| Female | 1364 (19.5) | 205 (22.3) | 1159 (19.0) | 0.02 |
| Male | 5649 (80.6) | 716 (77.7) | 4933 (81.0) | |
| Age at admission (median, Q1-Q3) | 43 (37 −51) | 42 (35 −50) | 43 (37 −51) | < 0.01 |
| History of IDU2 | ||||
| No | 3149 (44.9) | 330 (35.8) | 2819 (46.3) | < 0.01 |
| Yes | 2839 (40.5) | 437 (47.5) | 2402 (39.4) | |
| Unknown | 1025 (14.6) | 154 (16.7) | 871 (14.3) | |
| Discharge against medical advice | ||||
| No | 6492 (92.6) | 750 (81.4) | 5742 (94.2) | < 0.01 |
| Yes | 521 (7.4) | 171 (18.6) | 350 (5.8) | |
| Calendar year (median, Q1-Q3) | 2005 (2000, 2010) | 2004 (1999, 2009) |
2005 (2000, 2010) | < 0.01 |
| Charlson comorbidity index (median, Q1-Q3) | 5 (4, 7) | 6 (4,8) | 5 (4,7) | < 0.01 |
| Latest viral load within 12 months (median, Q1-Q3) | 2.1 (1.7, 4.2) | 2.9 (1.7–4.9) | 2.0 (1.7, 4.0) | < 0.01 |
| Latest CD4 within 12 months (100 cells/ mm3) |
||||
| 0–49 | 653 (9.3) | 176 (19.1) | 477 (7.8) | < 0.01 |
| 50–199 | 1283 (18.3) | 210 (22.8) | 1073 (17.6) | < 0.01 |
| 200–349 | 1483 (21.2) | 180 (19.5) | 1303 (21.4) | < 0.01 |
| 350+ | 3198 (45.6) | 309 (33.6) | 2889 (47.4) | < 0.01 |
| Unknown | 396 (5.7) | 46 (5.0) | 350 (5.8) | < 0.01 |
1Attachment is defined as the percentage of HIV-related services provided by the physician who provides the most services in a year
2Injection drug users