The AMBU® Aura-i™ Laryngeal Mask and LMA Supreme™: A Randomized Trial of Clinical Performance and Fibreoptic Positioning in Unparalysed, Anaesthetised Patients by Novices

Table 1

Patient characteristics. Data are expressed as mean (SD) or numbers of patients () and percentages (%).

	AMBU Aura-i	LMA Supreme
	()	()
Age, years	41.1 (11.7)	37.9 (11.1)
Height, cm	158.1 (5.7)	157.1 (5.6)
Weight, kg	61.2 (14.2)	60.0 (11.6)
Body mass index, kg	24.5 (5.5)	24.4 (6.0)
ASA class I/II, (%)	28/22 (56.0%/44.0%)	39/11 (78.0%/22.0%)
Mallampati class 1/2/3/4 () (%)	14/22/13/1	21/14/10/5
	(28.0%/44.0%/26.0%/2.0%)	(42.0%/28.0%/20.0%/10%)
Thyromental distance; (%)
<6.5 cm	14 (28%)	15 (30.0%)
>6.5 cm	36 (72%)	35 (70.0%)
Sternomental distance, (%)
<12.5 cm	8 (16.0%)	12 (24.0%)
>12.5 cm	42 (84.0%)	38 (76.0%)
Interincisor distance, (%)
<4 cm	17 (34.0%)	13 (26.0%)
>4 cm	33 (66.0%)	37 (74.0%)
Ability to prognath, (%)
Yes : No	40 (80.0%) : 10 (20.0%)	41 (82.0%) : 9 (18.0%)
Head/neck movement, (%)
Normal >90° : abnormal <90°	49 (98.0%) : 1 (2.0%)	50 (100%) : 0
Duration of surgery, minutes	25.9 (12.0)	26.2 (8.4)
Type of surgery, (%)
Uterine dilatation and curettage, hysteroscopy	22 (44.0%)	21 (42.0%)
Myomectomy	0	1 (2.0%)
Evacuation of uterus	3 (6.0%)	9 (18.0%)
Termination of pregnancy	10 (20.0%)	11 (22.0%)
Others	15 (30.0%)	8 (16.0%)