Clinical Study

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

Table 3

Variables associated with 14-day infection-related mortality.

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

No. of patients38 (11.2)301 (88.8)
Age in years, median (range)68 (38–90)64 (23–88)0.54
Gender, male24 (63.2)190 (63.1)1.00
Underlying disease/condition
 Cardiovascular disease7 (18.4)42 (13.9)0.46
 Diabetes mellitus20 (52.6)117 (38.9)0.12
 Uremia requiring dialysis7 (18.4)59 (19.6)1.00
 Decompensated liver cirrhosis6 (15.8)41 (14.6)0.80
 Malignancies7 (18.4)57 (18.9)1.00
 Prosthetic device implantation5 (13.2)36 (11.9)0.79
Severity-of-illness markera
 Nosocomial acquisition31 (81.6)214 (71.1)0.25
 Intensive care unit admission12 (31.6)63 (20.9)0.15
 APACHE II score, median (range)15 (1–38)11 (2–29)0.15
 APACHE II score >1510 (26.3)34 (11.3)0.02
Source of infectionb
 Catheter-related infection1 (2.6)39 (12.9)0.07
 Endovascular infection09 (2.9)0.61
 Soft-tissue infection13 (34.2)85 (28.2)0.45
 Osteomyelitis8 (21.1)59 (19.6)0.83
 Urinary tract infection04 (1.3)1.00
 Pneumonia15 (39.5)36 (11.9)<0.01
 Primary bacteremia6 (15.8)68 (22.6)0.41
Timing of initiating glycopeptide therapy
 Before preliminary BC report indicated SLO growth and within 24 h after BC indicated SLO growth23 (60.5)168 (55.8)0.61

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.