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Table 1 Baseline characteristics of the study cohort

From: Impact of appropriate empirical antibiotic treatment on recurrence and mortality in patients with bacteraemia: a population-based cohort study

Variable Categories Empirical Antibiotic Therapy
Appropriate (n = 3778) Inappropriate (n = 1290) Unknown (n = 1415)
Age, years 0–15 103 (3)a 25 (2) 62 (4)
16–64 1294 (34) 395 (31) 504 (36)
65–79 1279 (34) 476 (37) 457 (32)
80+ 1102 (29) 394 (31) 392 (28)
Gender Female 1883 (50) 539 (42) 630 (45)
Male 1895 (50) 751 (58) 785 (55)
Charlson comorbidity index score 0 1031 (27) 305 (24) 426 (30)
1–2 1421 (38) 476 (37) 497 (35)
>2 1326 (35) 509 (39) 492 (35)
Origin of infection Community acquired 2560 (68) 681 (53) 680 (48)
Nosocomial 674 (18) 435 (34) 285 (20)
Healthcare associated 506 (13) 150 (12) 135 (10)
Unknown 38 (1) 24 (2) 315 (22)
Speciality Medicine 2657 (70) 822 (64) 910 (64)
Surgery 887 (23) 352 (27) 373 (26)
Paediatrics 92 (2) 24 (2) 52 (4)
Intensive-care unit 133 (4) 83 (6) 72 (5)
Unknown 9 (0) 9 (1) 8 (1)
Group of microorganisms Monomicrobial Gram-negative 1444 (38) 398 (31) 605 (43)
Monomicrobial Gram-positive 2037 (54) 529 (41) 557 (39)
Monomicrobial anaerobic 104 (3) 54 (4) 97 (7)
Fungi 34 (1) 98 (8) 45 (3)
Polymicrobial 159 (4) 211 (16) 111 (8)
Focus of infection Urogenital 1287 (34) 405 (31) 224 (16)
Respiratory 499 (13) 75 (6) 74 (5)
Abdominal 508 (13) 204 (16) 199 (14)
Miscellaneous 564 (15) 145 (11) 219 (15)
Unknown 920 (24) 461 (36) 699 (49)
  1. aNumber (%)