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Table 2 PDSS cases in routine clinical practice according to number of injections and time to onset

From: Olanzapine long-acting injection: a review of first experiences of post-injection delirium/sedation syndrome in routine clinical practice

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

  1. The table shows the percentage of cases of PDSS according to the number of injections received at the time the syndrome occurred, and according to time to onset after injection, in two post-marketing safety studies and spontaneous reports.
  2. aThe number of injections received before PDSS occurred was known for 193 of the 338 cases.
  3. bThe precise time to onset of PDSS was known for 323 of the 338 cases.
  4. PDSS = post-injection delirium/sedation syndrome.
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