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Table 2 Results from the outlier process in the PCI and ACS domains using analysis based on hospital or procedure-level data. Each number refers to the ID assigned to an individual hospital.

From: Outlier identification and monitoring of institutional or clinician performance: an overview of statistical methods and application to national audit data

Data

Outlier Type

Method

  

Hospital-level Common-mean

Hospital-level Normal-Poisson RE

Procedure-level Logistic RE

ACS (41 units)

Alarm

Alert

2

Substantially better than expected

6

6

Better than expected

6

16

PCI (88 units)

Alarm

Alert

12, 44

44

12, 44

Substantially better than expected

 

13, 46

46

Better than expected

10, 13

36, 58

10, 13, 36, 58