Table 1.

Pearson correlation matrix between variables (n = 44)

	MCA	Nasal index	Notch index	Vortex index	ODT PEA	ODT D-Limonene	ODT L-Carvone
Nasal resistance
MCA		0.56**	−0.54**	−0.47**
Nasal index			−0.56**	−0.59**
Notch index				0.76**	0.32*		0.33*
Vortex index							0.31*
ODT PEA						0.41**	0.46**
ODT D-Limonene							0.31*
ODT L-Carvone

*P < 0.05. **P < 0.01.