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. Author manuscript; available in PMC: 2013 Feb 1.
Published in final edited form as: Epilepsia. 2011 Dec 22;53(2):368–376. doi: 10.1111/j.1528-1167.2011.03355.x

Table 1.

Probability of being seizure free over the next year according to the Rule of Three

Duration of seizure freedom (months) Estimate of maximum seizure rate (1 seizure / # months) Probability of no seizure in next year (%)
6 1 / 2 60.7
12 1 / 4 77.9
18 1 / 6 84.7
24 1 / 8 88.3
36 1 / 12 92.0
48 1 / 16 93.9
60 1 / 20 95.1