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A contingency table of AOS positive and/or PiB positive vs both AOS and PiB negative status by elevated uptake in either hemisphere of the precentral or SMA vs neither hemisphere in either region elevated above 97.5% of controls of the 14 CBS cases.
| Any precentral or SMA hemisphere uptake >97.5% of normal controls | All precentral and SMA hemisphere uptake < controls | |
| AOS+ and/or PiB+ | 9 | 2 |
| AOS- and PiB- | 0 | 3 |
Fisher’s exact test for the above table – p-value=0.027
