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. 2022 Mar 15;5(1):e25540. doi: 10.2196/25540

Table 6.

Severity scores, identification of usability problems, frequency, percentage, and related task.a

Usability problems Value (n=81), n (%) Related task
Severity score 1 2 (2) N/Ab

Access the child’s profile 1 (1) 2

Find the cough symptom 1 (1) 3
Severity score 2 22 (27) N/A

Select the child 13 (16) 5

Message hiding the button to access the map tutorial 2 (2) 6a

Find the symptom page 5 (6) 3

Find the diagnostic sheet: Select the history section 2 (2) 7
Severity score 2.5 17 (21) N/A

Find the waiting times page 13 (16) 4a

Find the diagnostic sheet: Reach the information page 4 (5) 7
Severity score 3 11 (14) N/A

Record the information entered 4 (5) 2

Find the page to inform about departure to the EDc 7 (9) 5
Severity score 4 29 (36) N/A

Find the forecast page 4 (5) 4b

Find the location of the ED 9 (11) 6b

Understand the waiting times page 10 (12) 4a

Find the map tutorial 6 (7) 6a

aSeverity score: 1=cosmetic, 2=minor, 3=major, and 4=catastrophic.

bN/A: not applicable.

cED: emergency department.