Table 3.

Correlation between acoustic parameters and between the same and the variable age.

MEASUREMENTS	MEAN	AGE	F0	PPQ	VF0	APQ	VAM	NHR	VTI	SPI
MEAN		4-6 years	252.81	1.02	4.17	6.40	28.88	0.20	0.06	3.64
AGE	4–6 years	–	.757	.312	.098	185	.642	.009**	.639	.861
F0	252.81	.757	–	.734	.731	.450	.339	.837	.721	.540
PPQ	1.02	.312	.734	–	.186	.631	.471	.111	.212	.021**
VF0	4.17	.098	.731	.186	–	.029*	.236	.000*	.790	.107
APQ	6.40	.185	.450	.631	.029*	–	.034*	.003*	.095	.045*
VAM	28.88	.642	.339	.471	.236	.034*	–	.292	.500	.172
NHR	0.20	.009**	.837	.111	.000*	.003*	.292	–	.830	.248
VTI	0.06	.639	.721	.212	.790	.095	.500	.830	–	.029**
SPI	3.64	.861	.540	.021**	.107	.045*	.172	.248	.029**	–

• •
  Statistical analysis using Pearson's correlation
• •
  Number value of “p,” ≤ 0.05

^*• significant positive correlation

^**significant negative correlation