Table 3.
Pooled estimates and heterogeneity measures for ADC, D, D*, and f values.
| Index | Sensitivity | Specificity | PLR | NLR | DOR | AUC | I2 (%) | |
|---|---|---|---|---|---|---|---|---|
| Sensitivity | Specificity | |||||||
| ADC | 0.86 (0.77, 0.92) | 0.86 (0.79, 0.91) | 6.0 (3.9, 9.1) | 0.16 (0.09, 0.27) | 37 (17, 82) | 0.87 (0.84, 0.90) | 48.59% | 20.63% |
| D | 0.82 (0.71, 0.89) | 0.82 (0.74, 0.88) | 4.5 (3.1, 6.7) | 0.22 (0.13, 0.37) | 20 (9, 46) | 0.85 (0.82, 0.88) | 53.80% | 21.99% |
| D* | 0.70 (0.51, 0.84) | 0.70 (0.53, 0.82) | 2.3 (1.6, 3.4) | 0.43 (0.28, 0.67) | 5 (3, 10) | 0.75 (0.71, 0.79) | 77.27% | 71.74% |
| f | 0.73 (0.52, 0.87) | 0.68 (0.46, 0.84) | 2.3 (1.4, 3.7) | 0.40 (0.24, 0.67) | 6 (3, 12) | 0.76 (0.72, 0.80) | 84.85% | 82.61% |
ADC, apparent diffusion coefficient; D, tissue diffusivity; D*, pseudodiffusivity; f, perfusion fraction; PLR, positive likelihood ratio; NLR, negative likelihood ratio; DOR, diagnostic odds ratio; AUC, area under the curve; I2, inconsistency index.