Table 1.
Cut-off points proposed in different studies for urine screening with Sysmex UF-5000 and their relationship with the criteria established as the reference standard for culture in agar
| Authors | Samples | Reference standard | Cut-off Sysmex | % false negatives | Sensitivity/% culture reduction |
|---|---|---|---|---|---|
| Alenkauer et al. [1] (2021) | 1119 | >105 CFU/ml | 50 CFU/μl | 0.2% | 99%/30% |
| Enko et al. [10] (2021) | 344 | >105 CFU/ml | 135 CFU/μl | – | 92.1%/– |
| Haugum et al. [3] (2021) | 3468 | >104 CFU/ml | 30 CFU/μl | 2.7% or 0.77% | 95.2%/30% |
| Algarra et al. [11] (2012) | 1730 | >104 CFU/ml | 50 CFU/μl | 3.3% | 91.3%/46.5% |
| Broeren et al. [12] (2011) | 1577 |
Not growth >104 CFU/ml >105 CFU/ml |
26 CFU/μl 39 CFU/μl 230 CFU/μl |
14% – 0.3% |
95%/20% 95%/28% 95%/52% |
| De Rosa et al. [13] (2018) | 2719 | >105 CFU/ml | 58 CFU/μl | 0.6% | 99%/55% |
| This work | 3569 |
>104 CFU/ml >105 CFU/ml |
100 CFU/μl | 1.17% | 96.1%/40% |