Table 5:
Top orders occurring within 24 h of an order for Spironolactone (Oral), a diuretic commonly used in the management of heart failure and liver cirrhosis.
| Rank | Description | PPV (%) | Prevalence (%) | Conditional Freq | Baseline Freq |
|---|---|---|---|---|---|
| 1 | Metabolic panel, basic | 42 | 77 | 0.41 | 2.65 |
| 2 | Furosemide (Oral) | 41 | 11 | 0.52 | 0.31 |
| 3 | Magnesium, serum | 35 | 52 | 0.35 | 1.84 |
| 4 | Prothrombin time (PT/INR) | 35 | 58 | 0.35 | 1.93 |
| 5 | CBC with differential | 31 | 79 | 0.28 | 2.60 |
| 6 | Potassium chloride (Oral) | 28 | 27 | 0.34 | 0.82 |
| 7 | Furosemide (IV) | 27 | 17 | 0.35 | 0.84 |
| 8 | Pantoprazole (Oral) | 24 | 38 | 0.19 | 0.62 |
| 9 | CBC | 24 | 53 | 0.20 | 1.50 |
| 10 | Sodium chloride (IV) | 23 | 90 | 0.19 | 3.97 |
Results are ranked by PPV (positive predictive value ∼ post-test probability), meaning 41% of patients subsequently receive an order for Furosemide (Oral) (another common diuretic), with an average of 0.52 orders per patient (ConditionalFreq = “Confidence”). Related orders include additional diuretics (Furosemide), monitoring of electrolytes affected by diuresis (Magnesium, Serum), and repletion of lost electrolytes (Potassium Chloride). Notably, many of the orders are the same “best-seller” items that are common overall.