JAMA. 2019; 321: 493-503 PMID:30721300
挿管困難歴：positive LR range, 16-19; negative LR range, 0.72-0.82
いびき：positive LR, 3.4; negative LR, 0.65
マスク換気困難：positive LR, 3.5; negative LR, 0.67
肥満(BMI>27-35)：positive LR, 2.2; negative LR, 0.70
女性：positive LR, 1.2; negative LR, 0.87
Upper Lip Bite Test class3：positive LR, 14
Upper Lip Bite Test class2-3：positive LR, 12; negative LR, 0.42
顎後退症：：positive LR, 6.0; negative LR, 0.85
Impaired mandibular protrusion：positive LR, 5.5; negative LR, 0.78
身長/thyromental distance比17-25以上：positive LR, 5.5; negative LR, 0.78
thyromental distance 4-7cm未満：positive LR, 3.3; negative LR, 0.63
hyomental distance 3-5.5cm未満：positive LR, 6.4; negative LR, 0.84
impaired neck mobility：positive LR, 4.2; negative LR, 0.77
sternomental distance 12-15cm未満：positive LR, 4.1; negative LR, 0.65
inter-incisor gap 2-5cm未満：positive LR, 3.6; negative LR, 0.71
Modified Mallampati Score3-4：positive LR, 4.1; negative LR, 0.52
positive palm print test：positive LR, 3.0; negative LR, 0.28
positive prayer sign：positive LR, 4.9; negative LR, 0.75
Wilson score 2-3以上：positive LR, 9.1; negative LR, 0.60