Maxillofacial growth changes after maxillary protraction therapy in children with class III malocclusion: a dual control group retrospective study

Table 1 Comparison of sex distribution in each group

		Sex		X²	P value
		Male	Female	X²	P value
Type	Skeletal Class III malocclusion treatment group (TG) (n = 31)	16 (51.61%)	15 (48.39%)	0.866	0.648
	Skeletal Class III malocclusion control group (CG III) (n = 22)	12 (54.55%)	10 (45.45%)
	Skeletal Class I malocclusion control group (CG I) (n = 24)	10 (41.67%)	14 (58.33%)

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