Table 1.
Demographic information of subjects in each site.
| Site | Scanner | Male Subjects | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Age | Age | ||||||||
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|
|
|
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| N | ASD | Mean | SD | TD | Mean | SD | P* | ||
| CALTECH | SIEMENS Trio | 16 | 7 | 23.5 | 3.5 | 9 | 23.3 | 5.2 | 0.95 |
| CMU | SIEMENS Verio | 17 | 8 | 23.6 | 3.4 | 9 | 25.6 | 4.4 | 0.30 |
| KKI | Philips Achieva | 36 | 15 | 10.0 | 1.3 | 21 | 10.3 | 1.3 | 0.58 |
| Leuven 1 | Philips INTERA | 27 | 13 | 22.1 | 4.2 | 14 | 23.4 | 3.0 | 0.34 |
| Leuven 2 | Philips INTERA | 21 | 10 | 13.8 | 1.5 | 11 | 14.1 | 1.5 | 0.73 |
| Max Munich | SIEMENS Verio | 29 | 12 | 17.7 | 8.4 | 17 | 23.3 | 6.3 | 0.05 |
| NYU | Philips Allegra | 131 | 63 | 13.5 | 5.8 | 68 | 16.4 | 6.4 | < 0.05* |
| OHSU | SIEMENS Trio | 23 | 10 | 11.3 | 2.3 | 13 | 10.2 | 1.0 | 0.12 |
| OLIN | SIEMENS Allegra | 27 | 14 | 15.8 | 2.9 | 13 | 17.2 | 3.8 | 0.30 |
| PITT | SIEMENS Allegra | 36 | 18 | 17.8 | 6.0 | 18 | 20.2 | 7.4 | 0.30 |
| SBL | Philips INTERA | 7 | 2 | 23.5 | 5.0 | 5 | 27.8 | 3.7 | 0.25 |
| SDSU | GE MR750 | 20 | 7 | 14.7 | 1.9 | 13 | 14.7 | 1.6 | 0.95 |
| Stanford | GE Signa | 22 | 12 | 10.2 | 1.5 | 10 | 10.2 | 1.8 | 0.99 |
| Trinity | Philips Achieva | 36 | 15 | 16.5 | 3.1 | 21 | 17.4 | 3.9 | 0.51 |
| UCLA 1 | SIEMENS Trio | 59 | 34 | 13.2 | 2.5 | 25 | 13.1 | 2.3 | 0.86 |
| UCLA 2 | SIEMENS Trio | 21 | 12 | 12.5 | 1.8 | 9 | 12.2 | 1.3 | 0.64 |
| UM 1 | GE Signa | 67 | 32 | 12.6 | 2.4 | 35 | 13.4 | 3.2 | 0.26 |
| UM 2 | GE Signa | 28 | 11 | 14.7 | 1.6 | 17 | 17.1 | 4.3 | 0.10 |
| USM | SIEMENS Trio | 87 | 50 | 21.1 | 5.8 | 37 | 20.8 | 6.9 | 0.82 |
| Yale | SIEMENS Trio | 35 | 16 | 13.4 | 2.8 | 19 | 12.3 | 2.9 | 0.26 |
N = number of subjects; SD = Standard Deviation; P* were calculated by Student's t-test; P* values survived the pre-defined statistical threshold of 0.05 were denoted in bold.