Table 1.
Baseline patient characteristics
| Characteristics | Intervention group | Control group | P-value |
|---|---|---|---|
| Number of patients | 367,631 | 367,587 | |
| % Female | 61.0 | 60.9 | 0.5 |
| Mean age | 70.4 | 70.4 | 0.4 |
| # Of LTR flagged medications (defined at GPI-6 level) | 1.3 | 1.3 | 0.2 |
| Number of medications (defined at GPI-6 level) per patient in 6 months | 4.4 | 4.4 | 0.6 |
| % Antihypertensives | 48.8 | 48.8 | 0.8 |
| % Antihyperlipidemics | 47.6 | 47.7 | 0.3 |
| % Beta blockers | 32.4 | 32.5 | 0.5 |
| % Antidepressants | 28.6 | 28.5 | 0.2 |
| % Diuretics | 25.4 | 25.5 | 0.4 |
| % Antidiabetics | 24.4 | 24.2 | 0.1 |
| % Calcium channel blockers | 23.3 | 23.3 | 0.8 |
| % Thyroid agents | 17.7 | 17.6 | 0.3 |
| % Anticonvulsants | 17.6 | 17.5 | 0.8 |
| % Antiasthmatic and bronchodilator agents | 12.7 | 12.7 | 0.4 |
Notes: LTR – Medications that are late for a refill for at least 3 days. GPI-6 – The GPI is a 14-digit code that helps identify pharmaceutical drugs with the same active ingredients, dosage, and strength. The first six digits (GPI-6) of the GPI combine pharmaceutically equivalent drugs together at the therapeutic subclass level.
Abbreviations: LTR, late-to-refill; GPI, Generic Product Identifier.