Table 1. Demographic and clinical characteristics.
| Characteristicsa | All cases |
|---|---|
| Pairs of episodes | 693 |
| Number of patients | 483 |
| Years of recruited cases | |
| • 2014 | 65 (9.4) |
| • 2015 | 103 (14.9) |
| • 2016 | 149 (21.5) |
| • 2017 | 127 (18.3) |
| • 2018 | 99 (14.3) |
| • 2019 | 150 (21.6) |
| Age (years)b | 59 [28–71] |
| Gender | |
| • Female | 401 (57.4) |
| • Male | 292 (42.1) |
| Comorbidty | |
| • No | 150 (21.6) |
| • Yes | 543 (78.4) |
| Interval between paired isolates (months)b | 3 [2–5] |
| Reasons of admission | |
| • Medical reasons | 602 (86.9) |
| • Surgical reasons | 91 (13.1) |
| Presence of urological/surgical condition | |
| • No | 390 (56.3) |
| • Yes | 303 (43.7) |
| Type of previous microorganism | |
| • E. coli | 570 (82.3) |
| • K. pneumoniae | 123 (17.7) |
| Results of current urine cultures | |
| • ESBL-positive | 406 (58.6) |
| • No growth | 83 (12.0) |
| • Mixed growth | 110 (15.9) |
| • Non-ESBL producers | 86 (12.4) |
| • Fungi | 8 (1.1) |
| Outpatients cultures | |
| • No | 555 (80.1) |
| • Yes | 138 (19.9) |
| Medication allergy | |
| • No | 664 (95.8) |
| • Yes | 29 (4.2) |
| Concordance of empirical therapy | |
| • Non-concordant | 270 (39) |
| • Concordant | 423 (61) |
a All data expressed as n (%) of participants unless otherwise indicated.
b Data described as median [Interquartile range].