100 %
Clinically plausible flow curves
Rated by experienced urologists — with no relevant artifacts.
Clinical study
The clinical evidence behind Streamcheck.
A clinical feasibility study — conducted by urologists at three German clinics and published after peer review in the journal “Die Urologie” — confirms the measurement quality of the Streamcheck system in the home setting. A solid basis for bringing patient-generated measurements into your care.
Peer-reviewedJournal “Die Urologie”3 German university hospitals
Results
The study's key figures
Recorded in the home setting and assessed against clinical criteria — these figures come directly from the study.
98.7 %
Overall accuracy of the biomarker analysis
Clearly above the pre-defined threshold of 90%.
0.99
Agreement of the pH measurement
Pearson correlation with the lab reference.
The study was a clinical feasibility study; the results refer to the conditions examined there.
Study quality
Published, peer-reviewed, independently assessed
When measurements from the home setting are to inform care, the quality of the evidence matters. The Streamcheck study was conducted under clinical conditions and scientifically reviewed.
The study was conducted by experienced urologists and scientists at three German clinics. Not only the measured values were assessed, but also the quality of the uroflow curves recorded at home — through independent specialist review.
Department of Urology, Leipzig University Hospital
Department of Urology, Urologic Oncology and Robot-assisted Surgery, Gronau
Department of Urology and Pediatric Urology, Saarland University Hospital, Homburg
Published in “Die Urologie”
After scientific peer review, the results were published in the official journal of the German Society of Urology (DGU) and can be found on PubMed. Conducted under clinical conditions, independently assessed, peer-reviewed: the basis on which you can evaluate its use in your practice.
Study design
How the feasibility study was set up
The study included a broad age range from 23 to 89 years — not a hand-picked ideal group, but a cross-section like the one in your consultation hours.
92
Participants enrolled
73
Data sets fully evaluated
23–89
Age range (years)
The study examined whether, at home, Streamcheck:
- records flow curves reliably
- determines urine volumes correctly
- detects biomarkers precisely
- is easy to use
- is accepted by its users
The study was conducted following ethics committee approval — the procedure and the protection of participants were independently reviewed beforehand.
100 %
of the uroflow curves recorded at home were rated as clinically plausible by experienced urologists.
Uroflowmetry
100% clinically plausible uroflow curves — measured at home
According to the EAU, ICI, and AUA guidelines, uroflowmetry is part of the primary assessment of LUTS — yet in daily practice it is performed comparatively rarely due to time, staffing, and economic constraints.
In the study, participants performed the measurement themselves in the home setting. Experienced urologists rated 100 percent of the recorded curves as clinically plausible — without relevant artifacts or irregularities. Uroflowmetry can therefore be shifted to the home setting without losing the curve quality needed for medical assessment.
Biomarkers
Biomarker analysis with high sensitivity and specificity
Alongside uroflowmetry, the system analyzes selected urinary biomarkers. Overall accuracy was 98.7 percent — well above the prespecified acceptance threshold of 90 percent.
100 %
Sensitivity
Abnormal values were detected reliably.
> 95 %
Specificity
Normal values were reliably classified as such.
100 %
Negative predictive value
No abnormal case was missed.
The study authors particularly highlight sensitivity, specificity and the negative predictive value as markers of the system's reliability.
pH readings close to the lab reference too
For the pH measurement, Streamcheck showed excellent agreement with the reference readings: the Pearson correlation coefficient was 0.99 — practically matching the lab measurement.
Acceptance
High acceptance among users
Longitudinal data from the home setting is only as reliable as your patients' willingness to measure regularly. The study therefore also assessed participant satisfaction.
4.04 / 5
Average satisfaction on a scale from 1 to 5.
79.2%
Share who rated Streamcheck “satisfied” or “very satisfied”.
“The high participant satisfaction points to good acceptance among users.”
From the study, “Die Urologie”, 2026
For your practice
What the results mean for your practice
The study demonstrates measurement quality. What matters for your practice is what that becomes in everyday care.
A reliable data basis
Uroflow and biomarker values from the home setting reach clinically tested quality. Instead of a single snapshot in the practice, you receive structured trends across multiple measurements.
Follow-up between appointments
Repeated measurements make changes in voiding behavior and urine composition visible before the next appointment — for example in LUTS or for follow-up after therapy. For repeatedly abnormal biomarkers, the automated analysis advises your patients to seek medical assessment.
A structured professional report
The results are automatically compiled into a structured medical report that your patients can share with you — a prepared data basis for your medical assessment, without additional documentation effort in the practice.
Source
Peer-reviewed and clinically tested
The study results were published in the peer-reviewed journal “Die Urologie”. The study was conducted following ethics committee approval and included participants aged 23 to 89. The flow measurements were additionally assessed by experienced urologists, who rated 100 percent of the recorded curves clinically plausible.
Study
Wirth U., Holze S., Wagner C., Bonaventura A., Siemer S. “Validierung eines neuen portablen Messsystems für die diagnostische Heimnutzung — eine Machbarkeitsstudie.” Die Urologie, Springer Nature, 2026.
Authors
- Ulrike Wirth & Sigrun Holze — Department of Urology, Leipzig University Hospital
- Christian Wagner — Department of Urology, Urologic Oncology and Robot-assisted Surgery, Gronau
- Alena Bonaventura & Stefan Siemer — Department of Urology and Pediatric Urology, Saarland University Hospital, Homburg
View the study on PubMed
Conducted at
Streamcheck does not replace a medical examination, diagnosis or treatment. If readings are abnormal or you have symptoms, always seek medical assessment. The study was a clinical feasibility study; the results refer to the conditions examined there.
Contact
Talk to us about using Streamcheck in your practice
Whether a single measurement in the practice or a measurement series at home: we will show you how Streamcheck can be integrated into your workflows — and which solution suits your care setting.
Request a consultation