Table 3.

Stability scores in the two groups

Stability score	Group A (hAB)	Group B (EAB)	Total	P-value
0	0 (0)	1 (4.8)	1 (2.4)	<0.05
1	0 (0)	2 (9.5)	2 (4.9)
2	3 (15.0)	16 (76.2)	19 (46.3)
3	17 (85.0)	2 (9.5)	19 (46.3)

(hAB: hybrid arch bar, EAB: Erich arch bar)

Values are presented as number (%).

P-value by chi-square/Fisher’s exact test.