Parameters | PH (n-17) |
---|---|
Durations of attacks | Â |
< 2Â minutes | 7 (41%) |
2–30 minutes | 17 (100%) |
> 30Â minutes | 4 (24%) |
Attacks frequency | Â |
>5/day for more than half of the time | 17 (100%) |
maximum attack frequency | 10–20/day |
minimum attack frequency | 0–5/day |
Nocturnal attacks | 6 (35%) |