Randomised Comparison of the AMBU AuraOnce Laryngeal Mask and the LMA Unique Laryngeal Mask Airway in Spontaneously Breathing Adults

Table 2

Results.

	LMAU (𝑛=38)	AMBU (𝑛=41)	𝑃-value
Insertion success
First time	31 (82)	35 (85)	0.738
Overall	38 (100)	40 (98)	0.519
Insertion time (s)	32 16 (11–95)	27 10 (13–51)	0.111
OLP (cm H2O)	15 7 (4–30)	20 6 (5–30)	0.001
Laryngeal Alignment	𝑛=38	𝑛=40
I	21 (55)	21 (54)
II	9 (24)	9 (23)
III	7 (18)	7 (18)
IV	1 (3)	2 (5)	0.613
Blood Staining	3 (8)	4 (10)	0.543
Sore Throat PACU	4 (11)	3 (8)	0.457

All data are presented as mean + standard deviation (range) or numbers (%). LMAU: LMA Unique laryngeal mask, AMBU: AMBU AuraOnce laryngeal mask, OLP: oropharyngeal leakage pressure, laryngeal alignment (I: visualise entire vocal cords, II: posterior component of cords visible, III: epiglottis but no cords visible, IV: no vocal cords or epiglottis visible).