Palatal asymmetry assessed by intraoral scans: effects of sex, orthodontic treatment, and twinning. A retrospective cohort study

Table 1 The age (years) distribution of groups

sex	orthodontic treatment	sample size	mean	SD	minimum	maximum
male	No	18	26	10	17	45
male	Yes	9	31	9	18	45
female	No	37	34	16	17	65
female	Yes	49	26	7	19	51

ISSN: 1472-6831