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Table 3 Univariate analysis of risk factors for bacteriuria among patients with S. aureus bacteremia

From: Staphylococcus aureus bacteriuria as a prognosticator for outcome of Staphylococcus aureus bacteremia: a case-control study

Risk Factora Urine culture positive Urine culture negative OR (95% CI) P value
N 57 232   
Demographics
Age 49.1 (13.8) 47.9 (13.8)   0.59
Male 40 (70) 158 (68)   0.76
Race/Ethnicity     0.10
   Black 26 (46) 141 (61)   
   Hispanic 14 (25) 39 (17)   
   Other Race 4 (7) 21 (9)   
   White 13 (22) 31 (13)   
Microbiological factor
   Epidemiological Risk     
   Community onset 26 (46) 54 (23)   <0.001
   Healthcare associated 18 (32) 61 (26)   
   Hospital onset 13 (23) 117 (50)   
MRSA 21 (37) 99(43)   0.42
Clinical Factors
Immunosuppressed 9 (16) 44 (19)   0.58
Incubation Period 15.7 (30.5) 13.8 (33.4)   0.68
Charlson Score 2.05 2.15   0.801
Hemodialysis 3 (5) 24 (10)   0.24
HIV 11 (19) 23 (10) 2.17 (1.00 - 4.77) 0.05
Endocarditis 7 (12) 17 (7)   0.22
Bladder catheter 20 (35) 85 (37)   0.83
Urological surgery 6 (11) 7 (3) 3.78 (1.22 - 11.73) 0.03
DM 19 (33) 64 (28)   0.39
IVDA 7 (12) 39 (17)   0.40
Prosthetic device 11 (19) 55 (24)   0.48
Alcoholism 11 (19) 36 (16)   0.49
Line infection/phlebitis 6 (11) 52 (22) 0.41 (0.17 - 1.00) 0.05
Skin soft tissue infection 10 (18) 47 (20)   0.64
Bone/joint infection 7 (12) 20 (9)   0.39
Pulmonary infection 12 (21) 29 (13) 1.87 (0.89 - 3.94) 0.10
GU infection 12 (21) 10 (4) 5.92 (2.41 - 14.54) <0.001
  1. Footnotes: aData represent count (%) and mean(standard deviation) for count and continuous data, respectively.