Table 4. Most common emm types identified in persons >65 y with invasive group A streptococcal infection, by residence, ABCs areas, 1998–2003*.
| emm type | No. LTCF case-patients (%), N = 324 | No. community-based case-patients (%), N = 1,090 |
|---|---|---|
| 1 | 55 (17.0) | 233 (21.4) |
| 3 | 44 (13.6) | 141 (12.9) |
| 28 | 39 (12.0) | 122 (11.2) |
| 12 | 21 (6.5) | 116 (10.6) |
| 89 | 27 (8.3) | 61 (5.6) |
| 77 | 9 (2.8) | 39 (3.6) |
| 6 | 12 (3.7) | 22 (2.0) |
| 18 | 6 (1.9) | 28 (2.6) |
| 11 | 10 (3.1) | 23 (2.1) |
| 4 | 11 (3.4) | 21 (1.9) |
*ABCs, Active Bacterial Core surveillance; LTCF, long-term care facility. Case-patients with missing responses for residence type and emm type were excluded from analysis. Table stratified by overall frequency.