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Interobserver agreement and accuracy of the HMCAS and the dot sign when blinded to clinical data
| Gwet's AC1 | PA | Se | FPR | Mean accuracy | |
|---|---|---|---|---|---|
| HMCAS | 80 (73–87) | 70 (62–78) | 62 (45–79) | 5 (1–10) | 86 (79–92) |
| Dot sign | 87 (82–91) | 75 (68–83) | 19 (6–32) | 6 (1–10) | 73 (65–81) |
| HMCAS or dot sign | 73 (65–80) | 63 (54–71) | 68 (51–84) | 11 (5–17) | 83 (77–90) |
Data are presented as mean percents (95% CI). PA, percent agreement; Se, sensitivity.
