Table 2.
Imaging parameters of scans used in this study.
| Parameter | Institution 1 | Institution 2 | |
|---|---|---|---|
| Scanner 1 | Scanner 2 | ||
| Manufacturer | Philips Medical Systems, Best, Netherlands | Siemens Healthcare, Erlangen, Germany | Siemens Healthcare, Erlangen, Germany |
| Model | 3T Achieva | 3T Skyra | 3T Skyra |
| Coils | ERC | PPAC | PPAC |
| T2-weighted sequence (T2WI) | |||
| TR/TE, ms | 3,802–5,151/105–115 | 3,730/121 | 7,200/96 |
| Resolution, mm3 | 0.3 × 0.3 × 3 | 0.5 × 0.5 × 3 | 0.6 × 0.6 × 3 |
| Diffusion-weighted imaging (DWI) | |||
| TR/TE, ms | 3,751–4,880/50–74 | 4,700/86 | 7,900/88 |
| Resolution, mm3 | 1.4 × 1.4 × 3 | 1.6 × 1.6 × 3 | 1.2 × 1.2 × 3 |
| b-values | 0, 500, 1,000, 1,500, 2,000 | 0, 400, 900, 1,500 | 50, 600, 1,000, 1,400 |
TR, reconstruction time; TE, echo time.