Table 3 Previous studies describing use of ALA-PDT/PDD to diagnose UT-UC
References | Country | Study design | Objective | Sample size | Video system supplier | Sensitivity (%) | Specificity (%) |
|---|---|---|---|---|---|---|---|
Waidelich [17] | Germany | Pilot study | PDTa | 4 | Not stated | – | – |
Somani et al. [18] | UK | Pilot study | PDDb | 4 | Karl Storz | – | – |
Audenet et al. [19] | France | Review | – | – | – | – | – |
Ahmad et al. [20] | UK | Prospective cohort | PDD | 26 | Karl Storz | 100 | 62.5 |
Aboumarzouk et al. [21] | UK | Prospective cohort | PDD | 32 | Karl Storz | 96 | 100 |
Aboumarzouk et al. [22] | UK | Prospective cohort | PDD | 30 | Karl Storz | 94 | 100 |
Bondad et al. [25] | UK | Retrospective | Unknown | 24 | – | – | – |
Kata et al. [9] | UK | Review | PDD | – | Karl Storz | – | – |
Kata et al. [10] | UK | Prospective cohort | PDD | 54 | Karl Storz | 95.8 | 96.6 |
Osman et al. [7] | Bahrain | Review | – | – | – | – | – |
This study (2019) | Japan | Prospective cohort | PDD | 20 | VISERA ELITE, Olympus | 62.5 | 67.3% |