Table 5 The five most ‘important’ features when making predictions for each MERP category using XGBoost. Free text examples are lightly edited for clarity.
From: A text mining approach to categorize patient safety event reports by medication error type
MERP categories | Highest importance features | Free text |
|---|---|---|
Wrong drug | Entered; ordered; discontinued; order; orders | “During quality assurance, nurse found that the patient wass prescribed both levaquin and azithromycin concurrently (both taken together have a major interaction). Doctor called and discontinued the azithromycin.” |
Wrong time | Removed; gave; prescription; order; ordered | “Patient had a lidocaine patch placed It was ordered to be removed 12 h later at pm and was never removed. Dayshift nurse the next day found dated lidocaine patch and removed. Medication was retimed accordingly.” |
Wrong strength or concentration | mcg; ml; directions; gm; mg | “Ticagrelor (Brillinta) should be taken with no more than 81 mg aspirin. Patient received ticagrelor dose, then aspirin 325 mg ordered.” |
Wrong dosage form or technique or route | Tablet; tablets, er, stable, tab | “Prescription was filled for a drug in capsule form instead of tablets that were prescribed. Claim was reserved, drug was returned to stock, and the correct drug form was filled.” |
Improper dose/dose omission | Discontinued; missed; discontinue; given; briefly | “Physician incorrectly placed a bolus order- 500 mL of 0.45% NS…recommended that bolus dose should be dosed at 10–20 mL/kg. Physician discontinued the previous order and placed another order with appropriate weight-based dosing.” |
Wrong rate | Rate; mlhr; fluid; renal; remained | “Medical Administration Record stated to give intravenous immune globulin at starting rate of 22 mL/min. Called pharmacy to verify rate and was told rate was incorrect. Medication reordered with correct rate of 22 mL/hr.” |
Wrong patient | Wrong patient; brought; outpatient; realized; working | “Prescription for bedside entered under wrong patient; prescription was for apixaban 5 mg. Advised technician to correct.” |
Monitoring error | Allergy; lovenox; symptoms; attending; plan | “Patient was ordered robotussin with codeine prn for cough. Patient has codeine listed as allergy.” |
