The revised Risk Index for Overdose or Severe Opioid-Induced Respiratory Depression (RIOSORD) estimated a 1.9% probability of opioid-induced respiratory depression within 6 months for the lowest-risk group and 83.4% for the highest-risk group.
Sources
- Prevention of Opioid Overdose | New England Journal of Medicine (nejm.org)
- https://pmc.ncbi.nlm.nih.gov/articles/PMC5939826/ (pmc.ncbi.nlm.nih.gov)
- https://academic.oup.com/painmedicine/article/22/9/2100/6131685 (academic.oup.com)
- https://www.annemergmed.com/article/S0196-0644(20)30915-X/fulltext (annemergmed.com)