Table 1

Numbers of patients assigned to each diagnostic category

Amyotrophic lateral sclerosis +Amyotrophic lateral sclerosis–
Awaji ShimaDefinite156504
Probable504
Possible29423894
Other1356
El EscorialDefinite123004
Probable184
Possible64773794
Other1357
Pretest clinical data onlyDefinite122904
Probable174
Possible66783694
Other1258