User Satisfaction Evaluation of the EHR4CR Query Builder: A Multisite Patient Count Cohort System
Table 5
Results of the System Usability Scale (SUS).
SUS item
(valid)
Mean
SD
I think that I would like to use the Query Builder frequently
16
3.63
0.885
I [did not find] the Query Builder unnecessarily complex
16
3.06
0.929
I thought the Query Builder was easy to use
16
3.38
0.719
I think that I [would not] need assistance to be able to use the Query Builder
16
2.94
0.998
I found the various functions in the Query Builder were well integrated
15
3.07
0.961
I [did not think] there was too much inconsistency in the Query Builder
15
3.33
1.047
I would imagine that most people would learn to use the Query Builder very quickly
16
3.25
1.000
I [did not find] the Query Builder very cumbersome to use
16
3.19
0.834
I felt very confident using the Query Builder
16
3.06
0.854
I [did not need] to learn a lot of things before I could get going with the Query Builder
16
3.00
1.033
Overall SUS score
15
55.86
15.37
Mean rating (5-point scale from 1 “strongly disagree” to 5 “strongly agree”), standard deviations, and overall SUS score. Items marked with an asterisk () were reverse coded; participants.
