Table 6 True prevalence of medicine use, sensitivity, specific and positive predictive values of each data sources for selected medicine categories
| Â | Â | Â | Â | True Prevalence [%] | Sensitivity [%] | Specificity [%] | Positive Predictive Value [%] | ||||
|---|---|---|---|---|---|---|---|---|---|---|---|
Category | n | Source | Observed Prevalence [%] | EST | 95% CI | EST | 95% CI | EST | 95% CI | EST | 95% CI |
A06: Laxatives | 16 | Self-report | 1.65 | 2.79 | 1.34; 3.83 | 15.63 | 0.02; 71.69 | 99.98 | 98.94; 99.99 | 95.49 | 97.30; 99.99 |
12 | Clinician record | 1.24 | 0.01 | 0.01; 0.02 | 98.61 | 97.66; 99.36 | 0.02 | 0.01; 0.67 | |||
13 | EDR | 1.34 | 12.66 | 0.01; 66.07 | 99.98 | 98.73; 99.99 | 94.50 | 96.28; 99.99 | |||
J01: Systemic antibiotics | 97 | Self-report | 10.03 | 10.86 | 3.72; 24.82 | 48.03 | 23.25; 99.81 | 99.98 | 92.71; 99.99 | 99.67 | 51.22; 99.90 |
55 | Clinician record | 5.69 | 9.29 | 2.27; 21.26 | 95.26 | 93.41; 97.26 | 19.27 | 1.09; 48.60 | |||
167 | EDR | 17.27 | 45.41 | 37.04; 99.78 | 90.14 | 84.27; 99.94 | 35.95 | 0.27; 48.80 | |||
N02: Analgesics | 505 | Self-report | 52.22 | 13.03 | 0.00; 49.43 | 98.70 | 60.18; 99.95 | 58.95 | 48.13; 99.55 | 26.48 | 0.23; 47.51 |
21 | Clinician record | 2.17 | 4.98 | 0.26; 18.96 | 98.50 | 96.98; 99.99 | 33.22 | 0.07; 48.29 | |||
190 | EDR | 19.65 | 35.17 | 20.60; 99.38 | 84.08 | 80.95; 99.82 | 24.87 | 0.25; 48.64 | |||
P01: Anti-protozoals (Metronidazole) | 71 | Self-report | 7.34 | 7.34 | 1.34; 10.44 | 83.08 | 36.14; 99.93 | 98.95 | 94.14; 99.99 | 86.20 | 51.76; 99.87 |
32 | Clinician record | 3.31 | 20.82 | 10.95; 67.18 | 98.14 | 97.02; 99.98 | 47.07 | 0.38; 49.32 | |||
44 | EDR | 4.55 | 15.68 | 7.59; 43.35 | 96.37 | 95.02; 98.01 | 25.52 | 8.25; 47.90 | |||
ART 1.st line | 404 | Self-report | 41.78 | 38.57 | 35.57; 42.50 | 94.50 | 91.46; 97.39 | 94.35 | 91.79; 96.82 | 91.31 | 88.10; 95.58 |
265 | Clinician record | 27.40 | 66.41 | 61.21; 71.45 | 99.33 | 98.42; 100.00 | 98.41 | 96.42; 100.00 | |||
374 | EDR | 38.68 | 89.55 | 85.53; 93.24 | 96.19 | 94.07; 98.14 | 93.65 | 90.92; 97.17 | |||
ART 2.nd line | 30 | Self-report | 3.10 | 2.90 | 1.76; 4.14 | 86.70 | 72.78; 99.99 | 99.51 | 98.91; 100.00 | 83.97 | 66.65; 99.88 |
18 | Clinician record | 1.86 | 59.12 | 39.67; 80.80 | 99.93 | 99.68; 100.00 | 95.93 | 82.53; 100.00 | |||
26 | EDR | 2.69 | 86.69 | 69.45; 99.99 | 99.93 | 99.54; 100.00 | 97.46 | 83.01; 100.00 | |||
Vitamins and supplements | 759 | Self-report | 78.49 | 16.13 | 0.00; 30.82 | 81.97 | 69.33; 96.99 | 23.04 | 11.94; 42.87 | 17.00 | 2.82; 47.77 |
815 | Clinician record | 84.28 | 99.82 | 87.06; 99.97 | 22.55 | 15.34; 98.78 | 19.86 | 0.08; 48.23 | |||
173 | EDR | 17.89 | 33.33 | 17.25; 99.11 | 88.89 | 84.20; 99.96 | 36.59 | 0.03; 48.20 | |||