표 6. | Table 6. 음향학적 변수들의 특징 비교 | Comparisons of acoustic parameters during vowel phonation
| Parameter | ASD group (n=6) | Control group (n=11) | z-value | p-value |
| M±SD | M±SD |
| Fo | 286.8±25.8 | 272.3±28.5 | −1.207 | .256 |
| Fhi | 332.4±54.5 | 282.2±31.1 | −1.709 | .098 |
| Flo | 258.3±19.8 | 264.8±25.4 | −.326 | .792 |
| PFR | 5.5±2.6 | 2.5±0.5 | −3.208* | .001 |
| Jitter | 1.718±0.872 | 1.101±1.015 | −1.532 | .180 |
| Shimmer | 5.630±1.694 | 4.122±1.587 | −1.712 | .098 |
| NHR | 0.158±0.044 | 0.116±0.012 | .000 | 1.000 |
| SPI | 2.827±1.74 | 3.808±3.773 | −.051 | .961 |
| VTI | 0.076±0.039 | 0.065±0.020 | .000 | 1.000 |
| vFo | 3.793±1.486 | 1.354±0.656 | −3.280* | .000 |
| vAm | 22.675±8.810 | 7.639±1.872 | −3.341* | .000 |
p<.05, Z values on Mann-Whitey U test.
ASD: autism spectrum disorders.