Table 3

		N	IF	MP	SF
		N	Mean (SD)	Mean (SD)	Mean (SD)
General	-	1000	3.36 (1.05)	3.18 (1.1)	3.98 (1.24)
Gender	Female	497	3.23 (0.98)	3.1 (1.05)	3.9 (1.24)
	Male	503	3.5 (1.1)	3.26 (1.14)	4.06 (1.25)
	P value	-	0.000^a	0.04^b	0.011^b
Age groups	Group 1	119	2.94 (0.98)^A	2.78 (1.06)^A	3.86 (1.24)^A
	Group 2	208	3.15 (1)^A	2.87 (0.94)^A	3.76 (1.2)^A
	Group 3	226	3.41 (1.05)^B	3.26 (1.1)^B	4 (1.22)^AB
	Group 4	291	3.46 (0.99)^B	3.36 (1.1)^B	4.1 (1.31)^B
	Group 5	156	3.73 (1.13)^B	3.46 (1.12)^B	4.11 (1.17)^B
	P value	-	0.000^c	0.000^c	0.014^d
Dental status	Group 1	818	3.29 (1.02)^A	3.11 (1.07)^A	3.94 (1.23)
	Group 2	47	3.53 (1.1)^AB	3.4 (1.16)^AB	4.16 (1.46)
	Group 3	48	3.48 (1.02)^AB	3.28 (1.1)^AB	3.94 (1.31)
	Group 4	87	3.92 (1.2)^B	3.65 (1.21)^B	4.27 (1.16)
	P value	-	0.000^c	0.000^c	0.075

^aStatistically significant at level P ≤ 0.01 (independent samples Mann-Whitney U test).
^bStatistically significant at level P ≤ 0.05 (independent samples Kruskal-Wallis test).
^cStatistically significant at level P ≤ 0.01 (independent samples Kruskal-Wallis test).
^dStatistically significant at level P ≤ 0.05 (independent samples Kruskal-Wallis test).
The uppercase superscript indicates statistical differences within column (Dunn-Bonferroni post hoc analysis).
IF = incisive foramen; MP = mid-level point; SF = stenson foramen; SD = standard deviation.