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Table 1 Interpreting System Usability Scale (SUS) Score [35]

From: Effectiveness of a self-management mobile app on the quality of life of women with breast cancer: a study in a developing country

SUS Score

Grade

Adjective Rating

>  80.3

A

Excellent

68–80.3

B

Good

68

C

Okay

51–68

D

Poor

<  51

F

Awful