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. Author manuscript; available in PMC: 2024 Oct 17.
Published in final edited form as: Paediatr Anaesth. 2023 May 21;33(9):710–719. doi: 10.1111/pan.14694

Table 2.

Confusion matrices for time of booking and day of surgery model

Model PAE (label) No PAE
(label)
Total Accuracy Sensitivity Specificity PPV NPV
Booking
95.2% 1.2% 99.6% 11.9% 95.6%
 PAE 5 37 42
 No PAE 398 8658 9056
 Total 403 8695 9098
Day of surgery
95.4% 2.7% 99.7% 30.6% 95.7%
 PAE 11 25 36
 No PAE 392 8670 9062
 Total 403 8695 9098

PAE: perioperative adverse event; NPV: negative predictive value; PPV: positive predictive value.