Table 1.

Summary of main findings

	Spontaneous CSs	Evoked CSs
Preceding SS rate	Positive correlation	Positive correlation
Preceding ISISS	Negative correlation	Negative correlation
Pause duration	None	None
Rebound duration	None	None
Rebound frequency	Positive correlation	None
Following SS rate	Negative correlation	None
Preceding ISICS	Negative correlation	NA
Succeeding ISICS	None	NA

NA, not applicable.