Variable | CDI cases (n = 25) | Controls (n = 25) |
---|---|---|
Age, mean years ± SD | 70 ± 12.8 | 69 ± 12.5 |
Male sex | 12 (48) | 12 (48) |
Charlson comorbidity index, median score (IQR) | 1 (1–3) | 2 (1–3) |
Duration of hospitalizationa, median days (IQR) | 7 (4–28) | 11 (8–17) |
Hospitalization in past 12 months | 19 (76) | 15 (60) |
Reason for hospital admission | ||
  Cardiac problem | 9 (36) | 10 (40) |
  Gastrointestinal problem | 10 (40) | 6 (24) |
  Pulmonary problem | 2 (8) | 3 (12) |
  Renal disease | 2 (8) | 1 (4) |
  Otherb | 2 (8) | 5 (20) |
Medication usec | ||
  H2 blocker | 7 (29) | 4 (16) |
  Nonsteroidal anti-inflammatory drug | 15 (65) | 12 (48) |
  Proton-pump inhibitor | 11 (46) | 14 (56) |
  Steroid | 3 (13) | 1 (4) |
  Any antimicrobial agent | 21 (91) | 13 (52) |
  Cephalosporind | 10 (42) | 5 (20) |
  Fluoroquinolonee | 9 (38) | 4 (16) |
  Macrolide | 0 (0) | 1 (4) |
  Penicillin | 0 (0) | 1 (4) |
  Penicillin with β-lactamase inhibitor | 7 (30) | 3 (12) |
  Vancomycinf | 5 (22) | 3 (12) |