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  Indian J Med Microbiol
 

Figure 3: Receiver operating characteristic curve for all bedside tests and ultrasound measurements. Difficult laryngoscopy was taken as Cormack-Lehane grades more than II. The orange line was taken as a reference line and various values of area under the curve are given in Table 2

Figure 3: Receiver operating characteristic curve for all bedside tests and ultrasound measurements. Difficult laryngoscopy was taken as Cormack-Lehane grades more than II. The orange line was taken as a reference line and various values of area under the curve are given in Table 2