2. Actual response rates (percentage): at the different doses of Levetiracetam.

Dose of Levetiracetam	Intention‐to‐treat responder rate	Best case responder rate	Worst case responder rate
60mg/kg/day [placebo response]	52 [25]	52 [25]	52 [25]
1000mg [placebo response]	33 [13]	34 [13]	33 [14]
2000mg [placebo response]	37 [8]	39 [8]	37 [8]
3000mg [placebo response]	44 [18]	45 [18]	44 [19]
All adult doses (1000, 2000, 3000 mg) [placebo response]	39 [16]	40 [16]	39 [18]