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. Author manuscript; available in PMC: 2011 Apr 15.
Published in final edited form as: Infect Control Hosp Epidemiol. 2010 Nov;31(11):1118–1123. doi: 10.1086/657075

Table 2.

Bivariate Analysis Comparing Patients with and without Bloodstream Infection

Variable BSI Cases (n=31) Control (n=90) P-value
Male 17 (55%) 35 (39%)
Female 14 (45%) 55 (61%) 0.12
African-American 24 (77%) 73 (81%) 0.72
Caucasian 7 (23%) 16(18%)
Age >60 7 (23%) 41 (47%) 0.02
Median Age 53 years 57 years 0.01
Dialysis Center
A 22 (71%) 33 (37%) 0.001
B 9 (9%) 57 (63%)
Hypertension 31 (100%) 83 (97%) 0.29
CHF 2 (7%) 20 (23%) 0.04 *
Diabetes 18 (58%) 41 (48%) 0.32
Obesity 11 (36%) 17 (20%) 0.08
Peripheral Vascular Disease 9 (29%) 19 (22%) 0.44
Immunosuppressants 1 (3%) 5 (6%) 0.39
COPD/Asthma 5 (16%) 9 (11%) 0.41
Hepatitis B or C 3 (10%) 5 (6%) 0.47
CVA History 7 (23%) 15 (17%) 0.53
HIV 1 (3%) 1 (1%) 0.45
Tobacco Use 3 (10%) 17 (20%) 0.20
Substance Abuse 5 (16%) 1 (1%) 0.005 *
Hx of Surgery in Past 30 days 3 (10%) 14 (16%) 0.37
Admission in Past 30 days 5 (16%) 29 (34%) 0.06
Previous BSI in Past 90 days 4 (13%) 9(11%) 0.71
Previous Abx in the Past 30 days 3 (10%) 18(21%) 0.19
Dressing Changes
Once a week 11(33%) 53 (62%) 0.01
> Once a week 20 (67%) 33 (38%)
*

Fisher's Exact Test