Table 1.
Table 1 Accuracy of Data Extraction of 60 EPRs from 6 GP Practices
| Clinical Measurement | N | Sensitivity |
Positive Predictive Value |
||
|---|---|---|---|---|---|
| BP | AP | BP | AP | ||
| Diastolic Blood Pressure | 165 | 93.9 | 93.9 | 100.0 | 100.0 |
| Systolic Blood Pressure | 166 | 95.2 | 95.2 | 96.9 | 100.0 |
| Weight | 72 | 100.0 | 100.0 | 100.0 | 100.0 |
| Height | 16 | 100.0 | 100.0 | 19.3 | 100.0 |
| Glucose fasting | 64 | 84.4 | 89.1 | 91.5 | 100.0 |
| Glucose non-fasting | 89 | 94.4 | 97.8 | 100.0 | 100.0 |
| Glucose unspecified | 145 | 66.2 | 68.7 | 85.7 | 100.0 |
| HbA1c | 154 | 98.7 | 100.0 | 99.3 | 100.0 |
| Total cholesterol | 57 | 98.2 | 98.2 | 100.0 | 100.0 |
| HDL cholesterol | 42 | 95.2 | 95.2 | 51.3 | 100.0 |
| LDL cholesterol | 38 | 94.7 | 94.9 | 97.3 | 100.0 |
| Triglycerides | 38 | 100.0 | 100.0 | 100.0 | 100.0 |
| Creatinine | 55 | 96.4 | 100.0 | 100.0 | 100.0 |
N = number of observations present in gold standard; sensitivity and positive predictive value before (BP) and after (AP) post-processing; HbA1c = glycosylated hemoglobin; HDL = high-density lipoprotein cholesterol; LDL = low-density lipoprotein cholesterol.