Comparison of vocal cord view between neutral and sniffing position during orotracheal intubation using fiberoptic bronchoscope: a prospective, randomized cross over study

Table 1 Characteristics of the subjects and results of preoperative airway evaluation

Characteristic	Group NS	Group SN
Subjects (n = 53)	26	27
Age [yr: mean (range)]	53 (32–69)	52 (38–70)
Height [cm: mean (SD)]	161 (7.8)	159 (8.1)
Weight [kg: mean (SD)]	65 (8.9)	63 (13.1)
BMI [kg m⁻²: mean (SD)]	25 (2.8)	25 (3.6)
Preoperative airway evaluation
Mallampati class
Class I	20	19
Class II	6	7
Class III-IV	0	1
ULBT
Class I	21	23
Class II	5	3
Class III	0	1
Total airway score [mean (SD)]	1.15 (1.02)	1.22 (1.53)

Group NS Neutral position followed by sniffing position, Group SN Sniffing position followed by neutral position

ISSN: 1471-2253