Table 2.

Evaluation of the improvement of the quality of life in the preoperative period (T0) and in the postoperative period (T1), using Student's T test

	T0	T1	Difference	t Statistics	p Value	Effect
B-OQLQ	46.52 [16, 89]	4.00 [4, 73]	42.52 [16, 24]	13.09	< 0.001	2.62
Facial Aesthetics	3.02 [0, 84]	0.22 [0, 35]	2.79 [0, 80]	17.47	< 0.001	3.49
Function	1.94 [0, 85]	0.12 [0, 18]	1.81 [0, 84]	10.75	< 0.001	2.15
Awareness of the deformity	1.50 [0, 92]	0.25 [0, 33]	1.26 [0, 83]	7.57	< 0.001	1.51
Social aspects of the deformity	1.78 [1, 01]	0.13 [0, 20]	1.65 [1, 00]	8.20	< 0.001	1.64