Table 2 Patient Characteristics by Intervention Status (N = 183)
Characteristic | Pre-intervention Group (9/1/14 to 8/31/15) n = 101 | Post-intervention Groupa (11/2/15 to 2/28/17) n = 83 | P-value |
|---|---|---|---|
Mean age (years+/− SD) | 67.5 ± 16.9 | 68.9 ± 19.0 | 0.45 |
Mean creatinine clearance (+/− SD) | 61.7 ± 34.5 | 59.7 ± 27.3 | 0.97 |
Creatinine clearance, n (%) | 0.73 | ||
≥ 20 mL/min | 95 (94) | 79 (96) | |
< 20 mL/min | 6 (6) | 3 (4) | |
Positive for UTI symptoms, n (%) | 84 (83) | 74 (89) | 0.25 |
Positive urine culture, n (%) | 91 (90) | 72 (87) | 0.48 |
Cultured organism, n (%) | 0.08 | ||
E.coli | 70 (69) | 75 (90) | |
ESBL E.coli | 59 (58) | 46 (56) | |
Contamination | 6 (6) | 1 (1) | |
Other | 15 (15) | 11 (13) | |
None | 6 (6) | 1 (1) | |
Prior culture results used for Treatment n (%) | 4 (4) | 5 (6) | |
Culture sensitive to aminoglycoside, n (%) | 0.46 | ||
Amikacin | 38 (38) | 37 (45) | |
Gentamicin | 45 (44) | 36 (43) | |
Unable to assess | 18 (18) | 10 (12) | |
Colony counts > 100 k, n (%) | 77 (76) | 66 (80) | 0.59 |