Table 1 |
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| Variables included in the electronic diabetes case-finding model | |||
| Identification variable | Criteria* | Encounter location | Point value |
| ICD-9 encounter code | 250.xx | Inpatient or outpatient | 0.75 |
| Hemoglobin A1c | ≥ 6.5% | Inpatient or outpatient | 1.00 |
| Fasting Blood Glucose | ≥ 126 mg/dL | Outpatient only | 0.50 |
| Random blood glucose | ≥ 200 mg/dL | Outpatient only | 0.50 |
| 2-hour OGTT | ≥ 200 mg/dL | Inpatient or outpatient | 0.75 |
| Problem list or PMH | 250.xx | Inpatient or outpatient | 0.40 |
| Diabetes medication** | Present | Outpatient only | 1.00 |
| Metformin | Present | Outpatient only | 0.75 |
Abbreviations: ICD-9: International Classification of Diseases 9, OGTT: oral glucose tolerance test, PMH: past medical history, mg: milligram, dL: deciliter.
*Criteria are counted only once except for ICD-9 codes (maximum twice) and random and fasting blood glucose (maximum twice each) as long as repeated glucose values are ≥ 3 months apart.
**Insulin, sulfonylurea, thiazolidinedione, alpha glucosidase, DPP-4 inhibitor, meglitinide, amylin mimetic, incretin mimetic, combination medication.
Makam et al.
Makam et al. BMC Medical Informatics and Decision Making 2013 13:81 doi:10.1186/1472-6947-13-81