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Table 3 Test characteristics of the South Asian and Chinese surname lists compared against self-reported ethnicity

From: Surname lists to identify South Asian and Chinese ethnicity from secondary data in Ontario, Canada: a validation study

Surname list Sensitivity (%) Specificity (%) Positive predictive value (%) Negative predictive value (%)
South Asian 50.4 99.7 89.3 97.2
Chinese 80.2 99.7 91.9 99.2
Previously published Chinese9 82.5 99.7 91.2 99.3