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Distribution of d-ALS and re-ALS individuals among successive quintiles of time to first visit. Per cent distribution of d-ALS and re-ALS individuals among successive quintiles of time to first visit. The quintile distribution was as follows: 1° from 1.1 to 6.9 months; 2° from 6.9 to 11.1 months; 3° from 11.1 to 17.4 months; 4° from 17.4 to 30.3 months; 5° more than 30.3 months. ALS = amyotrophic lateral sclerosis; d-ALS = disseminating ALS; re-ALS = regionally entrenching ALS.
