Table 1.
Baseline characteristics of the patients with Staphylococcus aureus bloodstream infections
| Characteristic | MRSA (n?=?254) | MSSA (n?=?85) | P -value |
|---|---|---|---|
| Gender (male/female) | 167 (65.7%)/87 (34.3%) | 41 (48.2%)/44 (51.8%) | 0.004 |
| Age, median (IQR) | 66 (54?75) | 58 (48?69) | |
| Location at BSI onset | |||
| Ward | 144 (56.7%) | 60 (70.6%) | 0.002 |
| ER | 6 (2.4%) | 7 (8.2%) | |
| ICU | 104 (40.9%) | 18 (21.2%) | |
| Central line-associated bloodstream infection | 94 (37.0%) | 17 (20.0%) | 0.004 |
| Interval between admission and detection of BSI | |||
| 1-7 days | 53 (20.9%) | 48 (56.5%) | |
| 8-14 days | 56 (22.0%) | 19 (22.4%) | |
| 15-21 days | 35 (13.8%) | 6 (7.1%) | |
| 22-30 days | 19 (7.5%) | 4 (4.7%) | |
| 31-60 days | 56 (22.0%) | 6 (7.1%) | |
| 61-90 days | 14 (5.5%) | 0 | |
| 91-180 days | 16 (6.3%) | 1 (1.2%) | |
| 181-365 days | 3 (1.2%) | 1 (1.2%) | |
| Over 365?days | 2 (0.8%) | 0 | |
Abbreviations: MRSA Methicillin-resistant S. aureus, MSSA Methicillin-susceptible S. aureus, IQR Interquartile range, BSI Bloodstream infection, ER Emergency room, ICU Intensive care unit.