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Table 1 Characteristics of patients with and without healthcare associated infection

From: The prevalence of healthcare associated infections among adult inpatients at nineteen large Australian acute-care public hospitals: a point prevalence survey

Factor All patients (n = 2767) Patients without HAI (n = 2494) Patients with HAI (n = 273)
Patient Characteristics
Male 1465 (52.9%) 1297 (52.0%) 168 (61.5%)
Age group
  ≤ 29 179 (6.5%) 169 (6.8%) 10 (3.7%)
 30–39 243 (8.8%) 226 (9.1%) 17 (6.2%)
 40–49 276 (10.0%) 244 (9.8%) 32 (11.7%)
 50–59 352 (12.7%) 301 (12.1%) 51 (18.7%)
 60–69 498 (18.0%) 442 (17.7%) 56 (20.5%)
 70–79 585 (21.1%) 529 (21.2%) 56 (20.5%)
  ≥ 80 634 (22.9%) 583 (23.4%) 51 (18.7%)
Emergency admission 2330 (84.2%) 2100 (84.2%) 230 (84.2%)
Receiving antimicrobial therapya 1228 (44.4%) 961 (38.6%) 267 (97.8%)
Documented fever > 38 °C in last 24 h 161 (5.8%) 124 (5.0%) 37 (13.6%)
Current colonisation or infection with multi-resistant organism 285 (10.3%) 219 (8.8%) 66 (24.2%)
Exposures
 Peripheral vascular access device present 1528 (55.2%) 1383 (55.6%) 145 (53.1%)
 Central vascular access device present 410 (14.8%) 303 (12.2%) 107 (39.2%)
 Indwelling urinary catheter present 573 (20.7%) 483 (19.4%) 90 (33.0%)
 Ventilated 55 (2.0%) 40 (1.6%) 15 (5.5%)
 Length of stay – median days (IQR) 5 (2–10) 4 (2–8) 14 (7–28)
Medical Specialty
 Intensive Care Unit 170 (6.1%) 128 (5.1%) 42 (15.4%)
 General Medicine 557 (20.1%) 513 (20.6%) 44 (16.1)
 General Surgery 307 (11.1%) 261 (10.5%) 46 (16.5%)
 Orthopaedics 205 (7.4%) 174 (7.0%) 31 (11.4%)
 Cardiology 201 (7.3%) 191 (7.7%) 10 (3.7%)
 Other 1327 (48.0%) 1267 (50.8%) 173 (63.4%)
Hospital Peer Group
 Principal Referral 1937 (70.0%) 1739 (69.7%) 198 (72.5%)
 Group A hospital 830 (30.0%) 755 (30.3%) 75 (27.5%)
Location
 Major city hospital 2371 (85.7%) 2146 (86.0%) 225 (82.4%)
 Regional 396 (14.3%) 348 (14.0%) 48 (17.6%)
  1. Data are n (%) unless otherwise stated
  2. HAI healthcare associated infection, IQR interquartile range
  3. aExcluding surgical antimicrobial prophylaxis