Table 3 Successful and oesophageal intubations within 60 s with Macintosh blade (MAC) and King Vision® (KV)

DL-group (n = 52)

29 (18–42)^a

48 (32–64)^c

2 (0–12)

17 (10–28)^b

VL-group (n = 50)

52 (39–65)^{a, c, d}

46 (32–61)

4 (1–14)^b

14 (6–28)

DL + VL-group (n = 46)

33 (24–43)^d

48 (33–63)

2 (0–14)

17 (10–29)

NT-group (n = 42)

2 (0–15)^c

17 (8–32)^c

0

24 (14–38)