Table 1.

Demographics of the patients included in this study

Demographics	T-RME	H-RME	Significance
Subjects (% of total)	21 (50.0)	21 (50.0)
Sex (% of group)
Male	8 (38.1)	3 (14.3)	0.159†
Female	13 (61.9)	18 (85.7)
Pretreatment age (years)	21.54 ± 2.59	21.97 ± 6.49	0.178‡
Expansion duration (days)	26.57 ± 13.37	30.95 ± 13.09	0.178‡
Post-expansion duration (months)	2.91 ± 0.59	2.74 ± 0.91	0.186‡

Data are either presented as number (%) or mean ± standard deviation

T-RME, the group who received rapid maxillary expansion (RME) procedure with the conventional tooth-born expander; H-RME, the group underwent RME using the tooth-bone-borne hybrid expander

^†The chi-square test was used to analyse the significance of differences between the two groups

^‡The Mann–Whitney U test was used to analyse the significance of differences between the two groups