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Table 1 Positive predictive value for codes identifying potential opioid toxicity in children

From: Development of an algorithm to identify serious opioid toxicity in children

  Total Confirmeda
n PPV (%)
Overall 168 85 50.6
Stratified analyses by type of diagnosis
 Opioid overdose, intentional 30 15 50.0
 Opioid overdose, unintentional 31 25 80.7
 Potential opioid adverse effect 58 33 56.9
 Symptoms indicative of opioid overdose (CNS, respiratory) 47 12 25.5
 Death, any cause 2 0 0
  1. PPV positive predictive value.
  2. aConfirmed = Group 1 (definitive/probable) or Group 2 (possible).