Table 2 Time consumed by anesthetists for the completion of the intubation process using SL and VL

Time to best glottis view (T0) (s)

8 ± 2.7 (4–14)

5.9 ± 2.2 (2–10)

< 0.001

Time to approach ETT tip to glottis after glottis visualization (T1) (s)

11.5 ± 1.75 (8–16)

7.8 ± 3.5 (3–16)

< 0.001

Time to full advancement of the ETT cuff through the glottis (T2) (s)

12.1 ± 6.8 (4–27)

7.1 ± 4.3 (1–18)

< 0.001

Tube handling time (s)

23.6 ± 7.5 (12–40)

14.9 ± 7 (4–33)

< 0.001

Total intubation time (s)

31.6 ± 8.1 (16–49)

20.8 ± 8.4 (8–40)

< 0.001