Table 4 Sensitivity, Specificity, Positive and Negative predictive values of each question of the Edinburgh Claudication Questionnaire
ECQ Question | Sensitivity (%) | Specificity (%) | PPV (%) | NPV (%) |
|---|---|---|---|---|
English (n = 37) | Â | Â | Â | Â |
Q2 | 25 | 44 | 8 | 75 |
Q3 | 100 | 20 | 19 | 100 |
Q4 | 75 | 44 | 20 | 90 |
Q5 | 41.7 | 48 | 13 | 81 |
Q6 | 66.7 | 20 | 14 | 76 |
Punjabi (n = 37) | Â | Â | Â | Â |
Q2 | 50 | 45.2 | 7 | 91 |
Q3 | 100 | 32.3 | 8 | 1 |
Q4 | 100 | 32.3 | 11 | 1 |
Q5 | 66.7 | 64.5 | 14 | 96 |
Q6 | 83.3 | 22.6 | 9 | 94 |
Bengali (n = 20) | Â | Â | Â | Â |
Q2 | 75 | 62.5 | 10 | 98 |
Q3 | 100 | 62.5 | 5 | 100 |
Q4 | 75 | 40 | 6 | 97 |
Q5 | 25 | 50 | 3 | 93 |
Q6 | 100 | 62.5 | 5 | 1 |