Number of intubation attempts in relation to overall and first pass success rate.

Table 1: Number of intubation attempts in relation to overall and first pass success rate.

	Number of intubation attempts	1^stattemp	2^nd attemp	3^rd attemp	4^th attemp	Failed intubation
HEMS Physician	273	221	41	5	2	4
Overall success rate		81%	96%	97.8%	98.5%
First pass succes rate		81%