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Table 1 Characteristics of patients receiving the four types of laryngeal mask

From: Correlation and variation of cuff inflating volumes and pressures in different adult models of laryngeal mask: a prospective randomized trial

Laryngeal mask Soft Seal®
(n = 20)
AuraOnce™
(n = 20)
LMA-Classic™
(n = 20)
LMA-ProSeal™
(n = 20)
p value
Size 3Age (years)44.2 (16.08)41.15 (15.90)47.25 (20.30)52.65 (17.31)0.203
Male/Female, n1/191/190/200/20> 0.999
Body weight (kg)47.4 (3.39)47.6 (2.85)47.65 (3.27)49.55 (4.37)0.703
Height (cm)155.3 (3.16)155.8 (5.38)154.4 (4.89)154.4 (5.43)0.741
BMI (kg.m− 2)19.67 (1.58)19.65 (1.54)20.03 (1.7)20.82 (1.96)0.112
ASA physical status, n (%)    0.188
111 (55%)11 (55%)7 (35%)8 (40%) 
28 (40%)8 (40%)10 (50%)5 (25%) 
31 (5%)1 (5%)3 (15%)7 (35%) 
Size 4Age (years)50.10 (11.85)52.4 (14.16)55.75 (13.85)52.1 (15.98)0.645
Male/Female, n1/191/192/186/140.078
Body weight (kg)62.7 (6.17)59.2 (5.85)62.6 (7.17)59.05 (5.51)0.093
Height (cm)157.4 (5.83)155.5 (5.72)159.75 (5.37)160.45 (5.84)0.029*
BMI (kg.m−2)25.34 (2.59)24.51 (2.4)24.54 (2.72)23.03 (2.84)0.054
ASA physical status, n (%)    0.409
18 (40%)4 (20%)9 (45%)5 (25%) 
29 (45%)13 (65%)8 (40%)10 (50%) 
33 (15%)3 (15%)3 (15%)5 (25%) 
  1. Data are presented as mean (SD) unless stated otherwise