Table 1.
The characteristics of the studies included in the meta‐analysis
| High‐grade gliomas vs Low‐grade gliomas | Recurrence vs Treatment‐related changes | Primary central nervous system lymphomas vs High‐grade gliomas | |
|---|---|---|---|
| Patients, N | 546 (14 studies) | 298 (9 studies) | 224 (5 studies) |
| LGG: 190 | Recurrence: 179 | PCNSL: 68 | |
| HGG: 356 | Treatment‐related change: 119 | HGG: 156 | |
| DCE model | |||
| Two‐compartment model | 437 (12 studies) |
183 (6 studies) |
182 (4 studies) |
| Model independent | 109 (2 studies) | 139 (4 studies) | 42 (1 study) |
| DCE parameters | |||
| K trans | 352 (8 studies) | 183 (6 studies) | 125 (2 studies) |
| ve | 193 (5 studies) | 57 (2 studies) | 146 (3 studies) |
| vp | 235 (6 studies) | 61 (2 studies) | 36 (1 study) |
| Region of interest | |||
| Whole volume | 131 (4 studies) | 243 (7 studies) | 203 (4 studies) |
| Hot‐spot | 415 (10 studies) | 55 (2 studies) | 21 (1 study) |
| Country | |||
| China | 4 studies | 2 studies | |
| USA | 3 studies | 3 studies | 1 study |
| India | 2 studies | ||
| Canada | 2 studies | ||
| Korea | 1 study | 3 studies | 1 study |
| Italy | 1 study | ||
| Germany | 1 study | 2 studies | 1 study |
| Denmark | 1 study | ||
Abbreviations: DCE, dynamic contrast‐enhanced; HGG, high‐grade glioma; LGG, low‐grade glioma; PCNSL, primary CNS lymphoma.