Table 2:
Tissue fractions measured in all subjects and sessions. Mean values of SNR and FWHM per subject were calculated from all three scans in a session. The first three subjects were scanned at CBI and the other three were scanned at CMRRC.
| fcsf [%] | fwm [%] | fgm [%] | SNR | FWHM [Hz] | ||
|---|---|---|---|---|---|---|
|
| ||||||
| Sub. #1 | Sess. #1 | 6.4 | 30.4 | 63.1 | 13.3 ± 0.5 | 7.7 ± 0.2 |
| Sess. #2 | 8.5 | 31.5 | 59.7 | 20.3 ± 1.1 | 7.1 ± 0.6 | |
| Sub. #2 | Sess. #1 | 4.4 | 29.5 | 66.0 | 15.3 ± 1.5 | 8.9 ± 0.1 |
| Sess. #2 | 2.9 | 34.0 | 63.0 | 20.3 ± 1.1 | 6.9 ± 0.4 | |
| Sub. #3 | Sess. #1 | 3.4 | 30.2 | 66.3 | 16.6 ± 0.5 | 8.2 ± 0.6 |
| Sess. #2 | 1.8 | 31.9 | 66.3 | 17.3 ± 0.5 | 7.9 ± 0.7 | |
| Sub. #4 | Sess. #1 | 9.3 | 21.6 | 69.1 | 14.3 ± 1.5 | 9.6 ± 0.7 |
| Sess. #2 | 14.7 | 26.2 | 59.2 | 17.0 ± 1.0 | 7.3 ± 0.2 | |
| Sub. #5 | Sess. #1 | 5.1 | 31.5 | 63.4 | 12.6 ± 2.3 | 8.9 ± 0.6 |
| Sess. #2 | 5.1 | 30.0 | 64.8 | 12.3 ± 0.5 | 10.4 ± 1.2 | |
| Sub. #6 | Sess. #1 | 2.5 | 30.2 | 67.3 | 10.6 ± 1.1 | 9.5 ± 0.6 |
| Sess. #2 | 4.4 | 31.2 | 64.4 | 12.6 ± 0.5 | 11.0 ± 0.4 | |
|
| ||||||
| Mean | Sess. #1 | 5.2 | 28.9 | 65.9 | 13.8 | 8.8 |
| S.D. | 2.4 | 3.6 | 2.3 | 2.1 | 0.7 | |
|
| ||||||
| Mean | Sess. #2 | 6.2 | 30.8 | 62.9 | 16.6 | 8.4 |
| S.D. | 4.7 | 2.6 | 2.9 | 3.5 | 1.8 | |
CBI - Center for Biomedical Imaging at New York University Langone Health; CMRRC - Columbia MR Research Center at Columbia University; FWHM - full-width at half-maximum; S.D. - standard deviation; Sess – session; SNR – signal-to-noise ratio; Sub – subject;