Table 4.
Level of confidence without the device | Level of confidence with the device | ||||
---|---|---|---|---|---|
None | Slight | Moderate | High | Total | |
None | 3 | 12 | 20 | 18 | 53 |
Slight | 9 | 91 | 297 | 252 | 649 |
Moderate | 10 | 138 | 619 | 688 | 1455 |
High | 7 | 36 | 118 | 532 | 693 |
Total | 29 | 277 | 1054 | 1490 | 2850 |
Kappa statistic: .1490; OR (95% CI): 4.210 (3.764-4.708); P < .0001.