Table 2.
Technique details of the studies included in the meta-analysis.
| Study | MRI scanner | Head coil | TR (ms) | TE (ms) | ST (mm) | FWHM (mm) | Threshold | Coordinates |
|---|---|---|---|---|---|---|---|---|
| Bai et al. (2016) | GE (1.5T) | NA | 2000 | 40 | 5 | 4 | p < 0.05 (Corrected) | 15 |
| Cui et al. (2016)a | Siemens (3.0T) | 8-channel phased array | 2000 | 30 | 4 | NA | p < 0.01 (Corrected) | 3 |
| Cui et al. (2016)a | Siemens (3.0T) | 8-channel phased array | 2000 | 30 | 4 | NA | p < 0.01 (Corrected) | 2 |
| Gao et al. (2015) | Siemens (1.5T) | NA | 2000 | 40 | 5 | 6 | p < 0.05 (Corrected) | 2 |
| Gao et al. (2018)a | Siemens (3.0T) | Birdcage | 2000 | 30 | 4 | 4 | p < 0.05 (Corrected) | 10 |
| Gao et al. (2018)a | Siemens (3.0T) | Birdcage | 2000 | 30 | 4 | 4 | p < 0.05 (Corrected) | 6 |
| Gao et al. (2020) | Siemens (3.0T) | Birdcage | 2000 | 30 | 4 | 4 | p < 0.05 (Corrected) | 3 |
| Gou et al. (2018) | GE (1.5T) | NA | 2000 | 40 | 5 | 4 | p < 0.001 (Corrected) | 2 |
| Hu et al. (2016) | Siemens (3.0T) | NA | 2000 | 30 | 3 | 8 | p < 0.005 (Uncorrected) | 2 |
| Jin et al. (2021) | Philips (3.0T) | Soft head coil | 2000 | 35 | 5 | 6 | p < 0.05 (Corrected) | 2 |
| Liu et al. (2006) | GE (1.5T) | Quadrature birdcage | 2000 | 40 | 5 | 4 | p < 0.05 (Corrected) | 28 |
| Liu et al. (2016) | GE (1.5T) | NA | 2000 | 40 | 5 | 8 | p < 0.05 (Corrected) | 4 |
| Lyu et al. (2021) | Philips (3.0T) | NA | 2000 | 35 | 5 | 6 | p < 0.05 (Corrected) | 1 |
| Shan et al. (2021) | Siemens (3.0T) | NA | 2000 | 30 | 4 | 4 | p < 0.05 (Corrected) | 13 |
| Wang et al. (2017) | Siemens (3.0T) | NA | 2000 | 30 | 4 | 4 | p < 0.005 (Corrected) | 5 |
| Yan et al. (2020) | Siemens (3.0T) | Standard head coil | 2500 | 30 | 3.5 | 4 | p < 0.05 (Corrected) | 3 |
| Yang et al. (2021) | Philips (3.0T) | 16-channel phased-array | 2200 | 35 | 3 | 4 | p < 0.05 (Corrected) | 10 |
| Yu et al. (2013) | Siemens (3.0T) | 32-channel | 2000 | 24 | 3 | 6 | p < 0.05 (Corrected) | 10 |
| Yu et al. (2021) | Siemens (3.0T) | 12-channel phased-array | 2000 | 30 | 4 | 6 | p < 0.05 (Corrected) | 2 |
| Zhao et al. (2019) | Siemens (3.0T) | Standard head coil | 2000 | 30 | 4 | 4 | p < 0.01 (Corrected) | 10 |
| BrainGluSchi | Siemens (3.0T) | 12-channel | 2000 | 29 | 3.5 | 8 | NA | NA |
| COBRE | Siemens (3.0T) | 12-channel | 2000 | 29 | 3.5 | 8 | NA | NA |
| NMorphCH | Siemens (3.0T) | NA | 2500/2200 | 20/27 | 3/4 | 8 | NA | NA |
Note: aThe study consisted of two subgroups, and we treated it as two separate datasets.
Abbreviations: FWHM full width at half-maximum; MRI magnetic resonance imaging; NA not available; ST slice thickness; T Tesla; TE echo time; TR repetition time.