Clinical Study

Timing of Initiating Glycopeptide Therapy for Methicillin-Resistant Staphylococcus aureus Bacteremia: The Impact on Clinical Outcome

Table 2

Variables associated with 14-day overall mortality.

VariableYes,
No. (%)
No,
No. (%)
P-value

No. of patients56 (16.5)283 (83.5)
Age in years, median (range)68 (38–98)65 (22–93)0.45
Gender, male33 (58.9)181 (63.9)0.55
Underlying disease/condition
 Cardiovascular disease10 (17.9)39 (13.8)0.41
 Diabetes mellitus30 (53.6)107 (37.8)0.04
 Uremia requiring dialysis10 (17.9)56 (19.8)0.85
 Decompensated liver cirrhosis10 (17.9)37 (13.1)0.40
 Malignancies9 (16.1)55 (19.4)0.71
 Prosthetic device implantation6 (10.7)35 (12.4)0.83
Severity-of-illness markera
 Nosocomial acquisition46 (82.1)199 (70.3)0.07
 Intensive care unit admission16 (28.6)59 (20.8)0.22
 APACHE II score, median (range)18 (1–31)17 (2–38)0.19
 APACHE II score > 1513 (23.2)31 (10.9)0.03
Source of infectionb
 Catheter-related infection1 (1.8)39 (13.8)<0.01
 Endovascular infection09 (3.2)0.37
 Soft-tissue infection10 (17.9)79 (27.9)0.42
 Osteomyelitis12 (21.4)55 (19.4)0.72
 Urinary tract infection04 (1.4)1.00
 Pneumonia20 (35.7)31 (10.9)<0.01
 Primary bacteremia10 (17.9)64 (21.8)0.48
Timing of initiating glycopeptide therapy
 Before preliminary BC report indicated SLO growth and within 24 h after BC indicated SLO growth36 (64.3)155 (54.8)0.24

BC: blood culture; MRSA: methicillin-resistant S. aureus; No.: number; SLO: Staphylococcus-like organism.
aAt time of blood culture sampling.
bSome patients had more than one infected site.