Table 4. Mean Oropharyngeal pressure according to fiberoptic scores .

Fiberoptic scores	OPP (Mean ±SD)
	Standard method	Tongue depressor
1	15.0 ± 0.0	0
2	18.2 ± 2.7	17.9 ± 2.4
3	18.2 ± 2.8	18.1 ± 2.9
4	18.4 ± 2.8	18.2 ± 2.7
P-value	0.698	0.960
Spearman's correlation
Coefficient	0.051	0.035
P-value	0.621	0.732