Table 2.
Comparison of participant and gold standard vignette TEWS, discriminator, and SATS responses
| SATS Color vignette responsesa | |||||
|
Correct (%) |
Under-Triaged (%) | Over-Triaged (%) |
Missing (%) |
Total (%) |
|
| Overall | 2883 (56.5) | 1506 (29.5) | 666 (13.1) | 45 (0.9) | 5100 (100) |
| Gold Standard | |||||
| Red | 307 (50.1) | 300 (49.0) | n/a | 5 (0.8) | 612 (100) |
| Orange | 1268 (54.0) | 867 (37.0) | 189 (8.1) | 22 (0.9) | 2346 (100) |
| Yellow | 918 (60.0) | 334 (21.8) | 264 (17.2) | 14 (0.9) | 1530 (100) |
| Greenb | 294 (57.7) | n/a | 213 (41.8) | 3 (0.6) | 510 (100) |
| Bluec | 96 (94.1) | 5 (4.9) | n/a | 1 (1.0) | 102 (100) |
| Trauma | 1098 (56.7) | 559 (28.8) | 266 (13.7) | 15 (0.8) | 1938 (100) |
| Medical | 1785 (56.4) | 947 (30.0) | 400 (12.6) | 30 (1.0) | 3162 (100) |
| TEWS vignette responsesa | |||||
|
Correct (%) |
Under-Calculated (%) | Over-Calculated (%) |
Missing (%) |
Total (%) |
|
| Overall | 2173 (42.6) | 2296 (45.0) | 555 (10.9) | 76 (1.5) | 5100 (100) |
| Gold Standard | |||||
| Red | 107 (17.5) | 482 (78.8) | 21 (3.4) | 3 (0.3) | 612 (100) |
| Orange | 1103 (47.0) | 915 (39.0) | 299 (12.8) | 29 (1.2) | 2346 (100) |
| Yellow | 653 (42.7) | 670 (43.8) | 189 (12.4) | 18 (1.2) | 1530 (100) |
| Green | 306 (60.0) | 158 (31.0) | 41 (8.0) | 5 (1.0) | 510 (100) |
| Blue | 4 (3.9) | 48 (47.1) d | 28 (27.5) | 22 (21.6) | 102 (100) |
| Trauma | 569 (39.4) | 1141 (58.9) | 184 (9.5) | 44 (2.3) | 1938 (100) |
| Medical | 1604 (50.7) | 1155 (36.5) | 371 (11.7) | 32 (1.0) | 3162 (100) |
a102 respondents each completing a 50-vignette assessment = 5100 vignette responses in total
bGreen patients are lowest acuity, so under-triage is not possible
cBlue patients are dead, so over-triage is not possible
dIncludes 43 vignette responses in which TEWS was scored as 0