Diagnostic test parameters of each SAVE scale threshold
| Scale threshold | Sensitivity % (95% CI) | Specificity % (95% CI) | PLR (95% CI) | NLR (95% CI) | PPV % (95% CI) | NPV % (95% CI) | % Of all patients |
| SAVE≥1 | 92 (88 to 96) | 30 (26 to 35) | 1.32 (1.23 to 1.42) | 0.26 (0.17 to 0.41) | 39 (35 to 43) | 89 (83 to 93) | 77 |
| SAVE≥2 | 78 (73 to 83) | 63 (59 to 68) | 2.14 (1.87 to 2.45) | 0.34 (0.27 to 0.44) | 51 (46 to 56) | 86 (82 to 89) | 50 |
| SAVE≥3 | 58 (52 to 64) | 89 (86 to 92) | 5.31 (4.04 to 6.99) | 0.47 (0.40 to 0.55) | 72 (65 to 78) | 81 (78 to 85) | 26 |
| SAVE=4 | 30 (24 to 36) | 97 (95 to 98) | 8.56 (5.16 to 14.20) | 0.73 (0.67 to 0.79) | 81 (71 to 88) | 74 (70 to 77) | 12 |
NLR, negative likelihood ratio; NPV, negative predictive value; PLR, positive likelihood ratio; PPV, positive predictive value; SAVE, Speech Arm Vision Eyes.