Table 4 Association between potential drug-drug interactions and place of residence by chi2-test
Potential drug-drug interactions | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Total | Minor | Moderate | Major | |||||||||
n | % | p-value | n | % | p-value | n | % | p-value | n | % | p-value | |
All patients (n = 524) | ||||||||||||
Place of residence | ||||||||||||
Germany | 275 | 60.7 | 139 | 30.7 | 250 | 55.2 | 90 | 19.9 | ||||
Switzerland | 21 | 29.6 | < 0.001 | 12 | 16.9 | 0.017 | 18 | 25.4 | < 0.001 | 3 | 4.2 | 0.001 |
Patients with ≥ 2 drugs (n = 383) | ||||||||||||
Place of residence | ||||||||||||
Germany | 275 | 79.0 | 139 | 39.9 | 250 | 71.8 | 90 | 25.9 | ||||
Switzerland | 21 | 60.0 | 0.010 | 12 | 34.3 | 0.514 | 18 | 51.4 | 0.012 | 3 | 8.6 | 0.023 |