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Table 3 Sensitivity, Specificity, Positive and Negative predictive values of the Edinburgh Claudication Questionnaire

From: Validation of the Edinburgh Claudication Questionnaire in 1st generation Black African-Caribbean and South Asian UK migrants: A sub-study to the Ethnic-Echocardiographic Heart of England Screening (E-ECHOES) study

Language Sensitivity (%)
[95% CI]
Specificity (%)
[95% CI]
PPV (%)
[95% CI]
NPV (%)
[95% CI]
English* 50 [22-78] 68 [50-86] 43 [16-68] 74 [55-91]
Punjabi 50 [10-90] 87 [75-99] 43 [5-79] 90 [79-100]
Bangladeshi 33.3 [0-86] 50 [26-75] 13 [0-31] 73 [45-99]
  1. * 1st Generation Black Caribbean UK migrants; PPV: positive predictive value; NPV: negative predictive value; CI: confidence interval