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Table 3 Positive predictive values for screening codes according to time since end of days of supply

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

 

n

n, confirmed

PPV (%)

Entire sample

168

85

50.6

Date of prescription fill through 7 days following end of days of supply

121

69

57.0

Days 8–14 following end of days of supply

47

16

34.0