Insertion Success of the Laryngeal Tube in Emergency Airway Management

Table 2

Success rates of laryngeal tubes in in-hospital airway management by different providers (physicians, paramedics, basic life support nurses, and paramedic students).

Authors	Study	Device	Healthcare provider		FPIS		OPIS
					[, (%)]	95% CI	[, (%)]	95% CI
Schalk et al., 2008 [60]	p, in-hospital, elective	LTS-D	Physicians, paramedics	54	NS	—	53, 98.1	94.6%–100.0%
Gruber et al., 2014 [57]	p, in-hospital, elective	LTS-D	BLS nurses	50	NS	—	39, 78.0	66.5%–89.5%
Kurola et al., 2005 [59]	p, in-hospital, elective	LT	Paramedics	15	11, 73.3	51.0%–95.7%	15, 100.0	81.9%–100.0%
Kurola et al., 2006 [58]	p, in-hospital, elective	LT	Paramedics students	32	14, 43.8	26.6%–60.9%	25, 78.1	63.8%–92.4%
			Cumulative sum ()	151	25, 47		132, 151
			(%)		53.2	38.9%–67.5%	87.4	82.1%–92.7%

NS: not stated; p: prospective; r: retrospective; elective: nonemergency patient; BLS: basic life support; FPIS: first-pass insertion success; OPIS: overall-pass insertion success. If the success rate was 100%, it was assumed that the lower confidence interval (CI) was reached and that the next attempt would fail.