Parameter | Percentage of cases |
---|---|
Number of injections a | |
1–3 | 43 (83/193) |
4–9 | 30 (58/193) |
10–20 | 13 (26/193) |
>20 | 13 (26/193) |
Unknown | 145/338 |
Time to onset of PDSS b | |
≤1 hour | 91 (294/323) |
1–2 hours | 7 (24/323) |
2–3 hours | 1 (4/323) |
Precise time unknown but within 3-hour observation period | 1/338 |
Time unknown | 15/338 |