TABLE 2.
Comparison of baseline population characteristics of patients with HA-MRSA SSTIs, pneumonia, and bacteremia carrying the PVL genes with those of patients with MRSA infections not carrying the PVL genesa
| Patient characteristic | PVL positive (n = 74) | PVL negative (n = 185) | P value |
|---|---|---|---|
| Age (mean ± SD) (yr) | 46.1 ± 21.3 | 53.8 ± 20.3 | 0.007 |
| Age ≥ 70 yr | 11/74 (14.9) | 37/185 (20.0) | 0.337 |
| Female sex | 23/74 (31.1) | 47/185 (25.4) | 0.353 |
| SSTIs | 27/74 (36.5) | 39/185 (21.1) | 0.010 |
| Hospital onset | 18/50 (36.0) | 32/50 (64.0) | 0.242 |
| Community onset | 9/16 (56.3) | 7/16 (43.7) | |
| Pneumonia | 35/74 (47.3) | 131/185 (70.8) | <0.001 |
| Hospital onset | 30/154 (19.5) | 124/154 (79.5) | 0.132 |
| Community onset | 5/12 (41.7) | 7/12 (58.3) | |
| Bacteremia | 12/74 (16.2) | 15/185 (8.1) | 0.071 |
| Hospital onset | 7/21 (33.3) | 14/21 (66.7) | 0.060 |
| Community onset | 5/6 (83.3) | 1/6 (16.7) |
a
Unless otherwise specified, the data represent the no./total no. (%).