Table 2.
The mean of the second, fourth and fifth curves of CJVA (CCJVA) in height (H), size (S) and/or width (W) between the subjects over 60 years and below (X ± S)
| Measuring parameter | ≥60 years (26 × 2a) | <60 years (34 × 2a) | t value | P value | |
|---|---|---|---|---|---|
| Second CCJVA | H (mm) | 2.84 ± 0.49 | 2.59 ± 0.37 | 3.0705 | <0.05 |
| W (mm) | 5.01 ± 0.83 | 5.58 ± 1.06 | 3.3043 | <0.05 | |
| S (mm) | 3.50 ± 0.53 | 3.25 ± 0.61 | 2.3974 | >0.05 | |
| Fourth CCJVA | H (mm) | 4.42 ± 0.96 | 3.83 ± 0.85 | 3.5036 | <0.05 |
| W (mm) | 7.68 ± 1.73 | 8.39 ± 1.43 | 2.3978 | >0.05 | |
| S (mm) | 3.89 ± 0.60 | 3.48 ± 0.49 | 4.0999 | <0.05 | |
| Fifth CCJVA | H (mm) | 3.32 ± 0.85 | 3.01 ± 0.73 | 2.2031 | >0.05 |
| S (mm) | 3.02 ± 0.45 | 2.91 ± 0.83 | 0.9291 | >0.05 | |
a“×2” represents the combined measurements of the left and right