Calcium antagonists showed no clear difference in death at the end of compared with placebo (moderate certainty).
Other calcium antagonists showed no clear difference in death at the end of compared with placebo (low certainty).
Calcium antagonists showed no clear difference in death at the end of treatment compared with placebo (moderate certainty).
Other calcium antagonists showed no clear difference in death at the end of treatment compared with placebo (low certainty).
Nimodipine showed no clear difference in death at the end of compared with placebo (moderate certainty).
Flunarizine may leads to higher death at the end of compared with placebo (low certainty).
Isradipine showed no clear difference in death at the end of compared with placebo (low certainty).
Flunarizine showed no clear difference in death at the end of treatment compared with placebo (low certainty).
The review found no eligible studies for this question.
Nimodipine showed no clear difference in death at the end of treatment compared with placebo (moderate certainty).