Table 1.

Baseline Characteristics of the Study Cohort (N = 101) ^a

Variable	OTT (n = 37)	TD (n = 64)	P
Age, y, mean (range)	27.5 (16-49)	28.6 (18-44)	.54
Male sex	22 (59%)	33 (52%)	.44
BMI, kg/m2	26.5 ± 4.4	26.8 ± 5.4	.81
Right side affected	14 (38)	28 (44)	.56
Follow-up length, mo	50.21 ± 9.8	43.10 ± 6.2	.49
Revision number			.59
Second	34 (92)	61 (95)
Third	2 (5)	3 (5)
Fourth	1 (3)	0 (0)

^a Data are reported as mean ± SD or n (%) unless otherwise indicated. BMI, body mass index; OTT, over-the-top; TD, transportal drilling.