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Table 1 Univariate analysis of the association of exposure to qualitative variables and 14- and 30-day mortality

From: Reappraisal of the outcome of healthcare-associated and community-acquired bacteramia: a prospective cohort study

Variable No. dead at day 14 (%) RR(95% CI) P value No. dead at day 30 (%) RR (95% CI) P value
Gender Male 34 (17) Ref. - 42 (22) Ref. -
Female 22 (15) 0.9 (0.5–1.4) 0.56 27 (18) 0.9 (0.6–1.3) 0.4
Type of acquisition Community 22 (15) Ref - 29 (19) Ref. -
HCA 34 (18) 1.2 (0.7–2.0) 0.47 41 (21) 1.1 (0.7–1.7) 0.7
Type of hospital Tertiary 38 (15) Ref. - 51 (20) Ref. -
Community 18 (21) 1.4 (0.8–2.3) 0.2 19 (22) 1.1 (0.7–1.7) 0.7
Neutropenia No 49 (15) Ref. - 61 (19) Ref. -
Yes 7 (47) 3.1 (1.7–5.6) 0.001 9 (60) 3.2 (2.0–5.1) <0.001
ICU admission No 46 (14) Ref. - 61 (13) Ref. -
Yes 10 (45.5) 3.1 (1.9–5.4) <0.001 9 (41) 2.1 (1.2–3.7) 0.01
Severity of SISR Sepsis 19 (7.8) Ref. - 325 (13.1) Ref. -
Severe sepsis or shock 37 (38.5) 5.0 (3.0-8.3) <0.001 38/54 (39.6) 3.03 (2.0–4.5) <0.001
Source of bacteremia Vascular catheter 1 (4) Ref. - 2 (8) Ref. -
Urinary tract 7 (8) 1.9 (0.2–14.9) 0.5 9 (10) 1.3 (0.2–9.2) 1
Intraabdominal 12 (18) 4.1 (0.6–29.6) 0.1 17 (24) 2.9 (0.7–11.5) 0.1
Other source 9 (21) 4.9 (0.7–36.5) 0.1 10 (23) 2.7 (0.7–11.4) 0.2
Unknown 15 (23) 5.5 (0.8–39.7) 0.1 19 (29) 4.5 (0.9–30.1) 0.1
Respiratory tract 12 (25) 6.0 (0.8–43.5) 0.05 13 (27) 3.2 (0.8–13.2) 0.1
Etiology CONS 1 (4) Ref. - 2 (8) Ref. -
K. pneumoniae 2 (8) 2.0 (0.2–20.6) 1 4/(17) 2.0 (0.4-) 0.7
E. coli 13 (10.5) 2.5 (0.3–18.3) 0.5 17 (14) 1.7 (0.4–6.7) 0.7
S. aureus 7 (22) 5.2 (0.7–39.9) 0.1 8 (25) 3.0 (0.7-12.9) 0.2
S. pneumoniae 8 (22) 5.3 (0.7–39.9) 0.1 10 (28) 3.3 (0.8–13.9) 0.1
Enterococcus spp. 3 (23) 5.5 (0.7–48.0) 0.1 3 (23) 2.8 (0.5–14.5) 0.2
Enterobacter spp 2 (22) 5.3 (0.5–1.9) 0.2 3 (33) 4.0 (0.8–20.1) 0.1
P. aeruginosa 5 (36) 8.6 (1.1–66.1) 0.02 6 (43) 5.1 (1.2–22.1) 0.03
Empirical therapy Adequate 40 (14) Ref. - 53 (19) Ref. -
Inadequate 16 (28) 2.0 (1.2–3.3) 0.01 17 (30) 1.6 (1.0–2.5) 0.1
  1. RR relative risk, CI confidence interval, Ref reference, HCA healthcare-associated, SIRS systemic inflammatory response syndrome, ICU intensive care unit, CONS coagulase-negative staphylococci.