Table 1. Data collection.

Patient characteristics	Control (n = 23)	Channeled (n = 23)	p-value
Age (years)	44 (23–89 [31–64])	48 (20–72 [32–58])	0.79
Gender (female/male)	12/11	11/12	0.76
BMI kg.m2	25.3 (21–32 [23.8–26.8])	26 (20–34 [24.1–30.5])	0.32
ASA class	2 (1–3 [1–3])	2 (1–3 [1–3])	0.54
Provider (n = 25)			< 0.001
Residents (n = 18)	16/23 (69%)	18/23 (78%)	0.37
Specialists (n = 7)	7/23 (31%)	5/23 (22%)	1.0
Anesthesia experience (months)	15 (5–200 [6–96])	23 (2–180 [12–72])	0.82
VL experience (n = 25) (applications)			0.87
<10	1	0
>10	6	6
>25	6	7
>50	10	10

Data are given as Median (range [IQR]) or absolute numbers (%).