Table 3.

Means length values (mm) of styloid process (SP) length across different ages in the 539 cases.

Age related factor	Mean	Median	IQR	p value	Dunn-Bonferroni post hoc test
					1 vs 2	1 vs 3	1 vs 4	2 vs 3	2 vs 4	3 vs 4
Styloid process (Right)				<0.001∗∗	0.288	0.004∗∗	0.002∗∗	0.025∗	0.010∗	1.000
1.Age <20	26 ± 0.7	25	(23–27)
2.Age 21-40	28 ± 0.7	28	(23–32)
3.Age 41-60	30 ± 0.7	30	(25–34)
4.Age >60	30 ± 0.7	30	(26–33)
Styloid process (Left)				<0.001∗∗	0.182	0.005∗∗	0.001∗∗	0.096	0.005∗∗	1.000
1.Age <20	26 ± 0.7	24	(21–28)
2.Age 21-40	28 ± 0.7	27	(23–31)
3.Age 41-60	30 ± 0.7	28	(25–33)
4.Age >60	30 ± 0.6	29	(27–33)
Styloid process (mean)				<0.001∗∗	0.178	0.002∗∗	0.001∗∗	0.030∗	0.005∗∗	1.000
1.Age <20	26 ± 0.7	24	(22–27)
2.Age 21-40	28 ± 0.7	27	(23–31)
3.Age 41-60	30 ± 0.6	29	(25–34)
4.Age >60	30 ± 0.6	30	(27–33)

Kruskal Wallis test. ∗p < 0.05 significantly difference, ∗∗p < 0.01 more significantly difference.