TABLE 1.
General demographic details of the study population
| Characteristic | No. (%) at site (location): |
||||
|---|---|---|---|---|---|
| 1 (NY) | 2 (TX) | 3 (MO) | 4 (ON) | All sites | |
| Sex | |||||
| Male | 375 (46.2) | 134 (41.0) | 200 (51.7) | 459 (48.1) | 1,168 (47.1) |
| Female | 436 (53.8) | 193 (59.0) | 187 (48.3) | 495 (51.9) | 1311 (52.9) |
| Total | 811 | 327 | 387 | 954 | 2479 |
| Age (years) | |||||
| <1 | 37 (4.6) | 32 (9.8) | 102 (26.4) | 263 (27.6) | 434 (17.5) |
| 1–5 | 29 (3.6) | 29 (8.9) | 62 (16.0) | 103 (10.8) | 223 (9.0) |
| >5–21 | 29 (3.6) | 49 (15.0) | 64 (16.5) | 103 (10.8) | 245 (9.9) |
| >21–65 | 316 (39.0) | 131 (40.1) | 124 (32.0) | 274 (28.7) | 845 (34.1) |
| >65 | 400 (49.3) | 86 (26.3) | 35 (9.0) | 211 (22.1) | 732 (29.5) |
| Total | 811 | 327 | 387 | 954 | 2,479 |
| Subject status or placement | |||||
| Outpatient | 147 (18.1) | 167 (51.1) | 85 (22.0) | 64 (6.7) | 463 (18.7) |
| Hospitalized | 484 (59.7) | 111 (33.9) | 158 (40.8) | 546 (57.2) | 1,299 (52.4) |
| Emergency department | 180 (22.2) | 48 (14.7) | 144 (37.2) | 344 (36.1) | 716 (28.9) |
| Long-term care facility | 0 (0.0) | 1 (0.3) | 0 (0.0) | 0 (0.0) | 1 (0.0) |
| Total | 811 | 327 | 387 | 954 | 2479 |
| Immune status | |||||
| Immunocompromiseda | 177 (21.8) | 87 (26.6) | 0 (0.0) | 84 (8.8) | 348 (14.0) |
| Immunocompetent | 628 (77.4) | 239 (73.1) | 0 (0.0) | 870 (91.2) | 1,737 (70.1) |
| Not determined | 6 (0.7) | 1 (0.3) | 387 (100.0) | 0 (0.0) | 394 (15.9) |
| Total | 811 | 327 | 387 | 954 | 2,479 |
a
Defined as patients with HIV or AIDS, transplant, oncology, or diabetes.