Predictive value of quick surgical airway assessment for trauma (qSAT) score for identifying trauma patients requiring surgical airway in emergency room

Table 3 Diagnostic Performance of qSAT Score for Prediction of Surgical Airway in the Validation Cohort

qSAT	Sensitivity	Specificity	RR	LR+	LR-	P value
≥ 1	0.868 (0.791−0.920)	0.290 (0.289−0.291)	2.66 (1.53−4.63)	1.22 (1.11−1.30)	0.46 (0.28−0.72)	< 0.001
≥ 2	0.443 (0.353−0.537)	0.864 (0.863−0.865)	4.91 (3.37−7.15)	3.26 (2.58−3.99)	0.64 (0.54−0.75)	< 0.001
= 3	0.038 (0.015−0.074)	0.999 (0.998−0.999)	21.79 (8.73−44.34)	27.28 (9.48−79.89)	0.96 (0.93−0.99)	< 0.001

LR+ = likelihood ratio for positive results, LR- = likelihood ratio for negative results. Quick Surgical Airway Assessment for Trauma (qSAT) score was defined as the total of the three component scores, including male sex (female, 0 point; male, 1 point), presence of the facial injury (no, 0 point; yes, 1 point), and presence of the cervical area injury (no, 0 point; yes, 1 point), for a total score ranging from 0 to 3

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