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. 2011 Jan 17;19:4. doi: 10.1186/1757-7241-19-4

Table 1.

Glottic view according to the Cormack & Lehane in a normal airway.

Trial Macintosh McGrath® GlideScope®
1 2 (1-2 [1-2]) 1 (1-2 [1-2]) 1 (1-2 [1-3])
2 2 (1.75-2 [1-3]) 1 (1-1.25 [1-3]) 1 (1-2 [1-2])
3 2 (1-2 [1-2]) 1 (1-1 [1-2]) 1 (1-2 [1-2])
4 2 (1-2 [1-2]) 1 (1-1 [1-2]) 1 (1-2 [1-2])
5 2 (1-2 [1-3]) 1 (1-1.25 [1-2]) 1 (1-2 [1-2])
6 2 (2-2 [1-2]) 1 (1-1.25 [1-2]) 1 (1-2 [1-2])

Median (IQR [range]).