Prostate cancer Cancer
Conditions
Interventions
Anonymized PET/CT images of 50 patients included in the study (one scan per patient) will be electronically submitted to more than ten nuclear medicine physicians/radiologists from Europe, Asia, Austr
0.0–0.20, slight
0.21–0.40, fair
0.41–0.60, moderate
0.61–0.80, substantial
0.81–1.00, almost-perfect reproducibility. Discrepancies in quantitative ratings among observers will be expressed as mean difference (?) ± standard deviation (SD). Sensitivity, specificity, positive
Sponsors
Department of Nuclear Medicine, Ludwig-Maximilians-University Munich
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: Nuclear medicine physician or radiologist with PET/CT experience.
Exclusion criteria
Exclusion criteria: Physicians with prior knowledge of the included patient datasets.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Interreader agreement, i.e. the variance between imaging findings of different readers, calculated by Cohen's ?. | — |
Secondary
| Measure | Time frame |
|---|---|
| 1. Accuracy for each observer compared to the reference standard, determined by sensitivity, specificity, positive predicive value, and negative predictive value 2. Comparison of accuracy between readers of low and high levels of experience, by difference in pooled sensitivity, specificity, positive predictive value, and negative predictive value | — |
Countries
Australia, Austria, Denmark, France, Germany, Japan, United States of America
Outcome results
None listed