Table 3. Comparison of RS-fMRI with other EZ localization techniques.
| Sensitivity | Specificity | PPV | NPV | |||||
|---|---|---|---|---|---|---|---|---|
| χ2 | P | χ2 | P | χ2 | P | χ2 | P | |
| MRI | 5.45 | 0.0196 | / | 1.0000 | 0.57 | 0.4500 | / | 0.4311 |
| MRS | 9.00 | 0.0027 | / | 0.4545 | / | 0.5298 | / | 0.4309 |
| VEEG | 0.46 | 0.4955 | / | 1.0000 | 0.21 | 0.6501 | / | 1.0000 |
| FDG-PET | 0 | 1.0000 | / | 1.0000 | 0 | 0.2100 | / | 1.0000 |
RS-fMRI, resting-state functional magnetic resonance imaging; EZ, epileptogenic zone; PPV, positive predictive value; NPV, negative predictive value; MRI, magnetic resonance imaging; MRS, magnetic resonance spectroscopy; VEEG, video electroencephalography; FDG-PET, fluorodeoxyglucose positron emission tomography.