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Table 2 Patient characteristics

From: Identifying targets for antibiotic stewardship interventions through analysis of the antibiotic prescribing process in hospitals - a multicentre observational cohort study

  LRTI (n = 412) n (%) COPD ex (n = 280) n (%) Sepsis (n = 248) n (%) SSTI (n = 150) n (%) UTI (n = 145) n (%) Total (N = 1235) n (%)
Sex
 Male 196 (47.6) 149 (53.2) 148 (59.7) 101 (67.3) 62 (42.8) 656 (53.1)
 Female 216 (52.4) 131 (46.8) 100 (40.3) 49 (32.7) 83 (57.2) 579 (46.9)
Age
  < = 45 43 (10.4) 2 (0.7) 51 (20.6) 52 (34.7) 16 (11.0) 164 (13.3)
 46–65 88 (23.4) 70 (25.0) 50 (20.2) 48 (32.0) 21 (14.5) 277 (22.4)
 66–85 192 (46.6) 179 (63.9) 106 (42.7) 37 (24.7) 71 (49.0) 585 (47.4)
  > 85 89 (21.6) 29 (10.4) 41 (16.4) 13 (8.7) 37 (25.5) 209 (16.9)
Charlson Comorbidity Index
 CCI = 0 163 (39.6) 8 (2.9) 111 (44.8) 108 (72.0) 72 (49.7) 462 (37.4)
 CCI = 1 109 (26.5) 178 (63.6) 73 (29.4) 23 (15.3) 37 (25.5) 420 (34.0)
 CCI = 2 58 (14.1) 47 (16.8) 41 (16.5) 9 (6.0) 21 (14.5) 176 (14.3)
 CCI = 3 32 (7.8) 24 (8.6) 9 (3.6) 5 (3.3) 9 (6.2) 79 (6.4)
 CCI = 4 14 (3.4) 18 (6.4) 6 (2.4) 3 (2.0) 1 (0.7) 42 (3.4)
 CCI > 4 36 (8.7) 5 (1.8) 8 (3.2) 2 (1.3) 5 (3.5) 56 (4.5)
Admitted from institution
 No 341 (82.8) 255 (91.1) 203 (81.9) 141 (94.0) 115 (79.3) 1055 (85.4)
 Yes 71 (17.2) 25 (8.9) 45 (18.1) 9 (6.0) 30 (20.7) 180 (14.6)
AB allergies
 Yes 43 (10.5) 38 (13.6) 19 (7.7) 13 (8.7) 9 (6.2) 122 (9.9)
 No 367 (89.3) 1 missing 242 (86.4) 229 (92.3) 137 (91.3) 136 (93.8) 1111 (90.0) 1 missing
eGFR on admission
  > 50 308 (74.8) 230 (82.1) 187 (75.4) 129 (86.0) 101 (69.7) 955 (77.3)
 10–50 103 (25.0) 49 (17.5) 59 (23.8) 21 (14.0) 43 (29.7) 275 (22.3)
  < 10 1 (0.24) 0 (0.0) 2 (0.8) 0 (0.0) 1 (0.7) 4 (0.32)
 Dialysis 0 (0.0) 1 (0.4) 0 (0.0) 0 (0.0) 0 (0.0) 1 (0.08)
30-day mortality 55 (13.4) 19 (6.8) 22 (8.9) 2 (1.3) 6 (4.1) 104 (8.4)
30-day readmission 78 (18.9) 76 (27.1) 39 (15.7) 26 (17.3) 37 (25.5) 256 (20.7)
Mean LOS (95% CI) 7.3 (6.8, 7.7) 6.8 (6.3, 7.2) 7.1 (6.6, 7.6) 6.3 (5.6, 7.0) 7.0 (6.3, 7.7) 7.0 (6.7, 7.2)
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