Table 2.

Distribution of the MPS maturational stages by age group and sex regarding the possibility to find midpalatal suture opening

Midpalatal suture opening							P
Possibility				No possibility
Age (years)	Sex	n	%	n	%	Total
10–15	F	20	41.6	11	22.9	31
	M	14	29.2	3	6.3	17
	F + M	34	70.8	14	29.2	48	0.320
16–20	F	4	7.7	17	32.7	21
	M	7	13.5	24	46.1	31
	F + M	11	21.2	41	78.8	52	1.000
21–25	F	5	5.0	48	48.0	53
	M	12	12.0	35	35.0	47
	F + M	17	17.0	83	83.3	100	0.037*

F female, M male

^*Chi-square test: P < 0.05, significant