[Retracted] A Meta-Analysis on the Effectiveness of Video Laryngoscopy versus Laryngoscopy for Emergency Orotracheal Intubation

Table 4

Complicated cases with oesophageal laryngoscopy.

Studies	Video laryngoscopy		Direct (standard) laryngoscopy
	Cases	Total	Cases	Total
[7]	13	673	7	136
[13]	1	74	4	76
[15]	1	252	27	140
[16]	3	186	6	185
[17]	0	57	4	60