Table 2.

Glottic view according to the POGO score (%) in a normal airway.

Trial	Macintosh	McGrath®	GlideScope®
1	72.8 ± 18	83 ± 21	81.5 ± 24.5
2	68.5 ± 22.9	87.2 ± 22.9	85.0 ± 19.7
3	76.7 ± 19.9	96.3 ± 6.1	83.5 ± 20.3
4	68.7 ± 23.6	90.5 ± 16.5	84 ± 18.2
5	62.7 ± 27.2	92.7 ± 10.8	79.5 ± 28.6
6	59.2 ± 24.5	92.7 ± 10.7	80 ± 25.2

Mean ± SD.