Table 3.

Score results (n=25) from the system usability scale (SUS) to assess the near-field communication mobile emergency medical record (NFC-mobile EMR).

Question	Mean (SD)
1. I think that I would like to use this NFC-mobile EMR frequently.	3.92 (0.95)
2. I found the NFC-mobile EMR unnecessarily complex.	1.76 (0.83)
3. I thought the NFC-mobile EMR was easy to use.	4.40 (0.50)
4. I think that I would need the support of a technical person to be able to use the NFC-mobile EMR.	2.72 (1.10)
5. I found that the various functions in the NFC-mobile EMR were well-integrated.	4.24 (0.72)
6. I thought there was too much inconsistency in the NFC-mobile EMR.	4.20 (0.64)
7. I would imagine that most people would learn to use the NFC-mobile EMR very quickly.	4.48 (0.59)
8. I found the NFC-mobile EMR very cumbersome to use.	1.56 (0.51)
9. I felt very confident using the NFC-mobile EMR.	3.88 (0.78)
10. I needed to learn a lot of things before I could get going with the NFC-mobile EMR.	1.92 (0.57)
Total score	71.90 (7.61)