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Overall Systems Usability Scale scores for each application assessed.
| Application | Mean SUS score (SD)a |
| DrugHub (N=35) | 57.1 (22.2) |
| MyMedRec (N=35) | 55.6 (22.4) |
| Pillboxie (n=31) | 52.2 (18.1) |
| PocketPharmacist (N=35) | 42.1 (18.7) |
| MediSafe (n=4) | 40.0 (15.1) |
aSignificant difference between applications f=2.95, P<.0001
