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Table 1 Individual and community-level characteristics of patients with ceftriaxone-susceptible and resistant urinary Escherichia coli isolates

From: Individual and community predictors of urinary ceftriaxone-resistant Escherichia coli isolates, Victoria, Australia

Characteristic Escherichia coli isolates
Ceftriaxone susceptible Ceftriaxone resistant
N = 6350 N = 382
Patient-level characteristics
 Sex
  Female 5677 (89.4%) 331 (86.6%)
  Male 673 (10.6%) 51 (13.4%)
 Age group
  Median (IQR) 56 (32–74) 58 (31–75)
  Age 12 or less 394 (6.2%) 22 (5.8%)
  Not available 3 (0%) 0
 Residence in RACF
  No 6060 (95.4%) 337 (88.2%)
  Yes 290 (4.6%) 45 (11.8%)
 Referral source
  Community 5763 (90.8%) 332 (86.9%)
  Hospital: ED 343 (5.4%) 15 (3.9%)
  Hospital: non-ED 244 (3.8%) 35 (9.2%)
Postcode-level characteristics
 Region
  Northern Metropolitan 613 (9.7%) 59 (15.4%)
  Eastern Metropolitan 663 (10.4%) 47 (12.3%)
  South-Eastern Metropolitan 911 (14.3%) 70 (18.3%)
  Southern Metropolitan 632 (10%) 28 (7.3%)
  Western Metropolitan 904 (14.2%) 78 (20.4%)
  Northern Victoria 735 (11.6%) 28 (7.3%)
  Eastern Victoria 922 (14.5%) 51 (13.4%)
  Western Victoria 264 (4.2%) 6 (1.6%)
  Other 699 (11%) 15 (3.9%)
  Not available 7 (0.1%) 0
 Remoteness area
  Major Cities 4989 (67.5%) 333 (78.4%)
  Inner Regional 1865 (25.2%) 72 (16.9%)
  Outer Regional 509 (6.9%) 20 (4.7%)
  Remote 26 (0.4%) 0
  Very Remote 4 (0.1%) 0
 Index of Relative Socio-economic Disadvantage, decilea
  1 542 (8.5%) 49 (12.8%)
  2 345 (5.4%) 11 (2.9%)
  3 448 (7.1%) 24 (6.3%)
  4 582 (9.2%) 33 (8.6%)
  5 613 (9.7%) 36 (9.4%)
  6 746 (11.7%) 58 (15.2%)
  7 695 (10.9%) 42 (11%)
  8 846 (13.3%) 44 (11.5%)
  9 945 (14.9%) 52 (13.6%)
  10 568 (8.9%) 32 (8.4%)
  Not available 20 (0.3%) 1 (0.3%)
 Percentage of postcode residents born in region, median (IQR)
  Oceania and Antarctica 70.1 (58.0–78.3) 62.9 (53.7–74.4)
  North-West Europe 4.5 (3.2–6.6) 4.0 (2.4–6.0)
  Southern and Eastern Europe 2.4 (1.2–4.3) 2.8 (1.6–5.8)
  North Africa and the Middle East 0.7 (0.2–1.3) 1.0 (0.5–1.7)
  South-East Asia 2.7 (1.0–5.3) 3.6 (1.7–7.1)
  North-East Asia 1.5 (0.5–3.9) 1.8 (0.7–4.4)
  Southern and Central Asia 2.9 (0.8–7.1) 4.6 (1.5–8.6)
  Americas 0.5 (0.4–0.7) 0.5 (0.4–0.7)
  Sub-Saharan Africa 0.6 (0.3–1.0) 0.6 (0.4–1.0)
  Not available 9.3 (7.4–11.0) 9.6 (7.7–11.6)
  1. ED, Emergency department; IQR, interquartile range; RACF, residential aged-care facility. aThe 1st decile represents the most disadvantaged group