Article Figures & Data
Figures
- Fig 1.
Flow chart of publication selection. The asterisk indicates that multiple exclusion criteria could apply to studies.
- Fig 2.
Number of publications, patients, and samples for imaging techniques categorized by glioma grades. LGG indicates low-grade glioma; HGG, high-grade glioma; FLT, 18F fluorthymidine; nr, number.
- Fig 3.
Summary hierarchic ROC curves of imaging techniques. Estimated summary ROC curves are plotted by imaging technique in ROC space for diffuse gliomas as a whole—that is, low- and high-grade gliomas combined (A), low-grade glioma (B), and high-grade glioma (C). The operating points of curves represent the estimated summary true-positive and false-positive rates as indicated by solid squares. Solid squares are missing when convergence is not reached. Color coding shows conventional MR imaging in black, advanced MR imaging in shades of blue, PET imaging in shades of red, and CT and sonography imaging in shades of green.
- Fig 4.
Diagnostic accuracy characteristics of imaging techniques. Diagnostic performance of imaging techniques expressed as area under the curve, summary false-positive rate, summary true-positive rate, and diagnostic odds ratio for diffuse gliomas as a whole—that is, low- and high-grade gliomas combined (A), low-grade glioma (B), and high-grade glioma (C). The medians of posterior distributions are plotted as squares proportional to the number of observations with 95% credibility intervals. The most common clinically used imaging technique is in blue as reference. n.a. indicates nonavailable data because either <3 studies were available or the posterior samples did not converge; fa, fractional anisotropy.
