Table 2.
Patient characteristics
| 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) |