The use of modified bite block to improve the safety and efficacy of oral fiber optic intubation in patients with limited neck mobility: a randomized comparative study

Ain-Shams Journal of Anesthesiology

Table 1 Demographic data and patients’ airways

		TR	MB	Test value	p value
		n = 30	n = 30	Test value	p value
Age^##	Mean ± SD	37.65 ± 10.12	36.9 ± 9.64	0.294	0.769^##
Age^##	Range	25–55	27–54	0.294	0.769^##
Sex^#	Males	17 (56.7%)	15 (50.0%)	0.268	0.605^#
Sex^#	Females	13 (43.3%)	15 (50.0%)	0.268	0.605^#
Weight^##	Mean ± SD	85.35 ± 2.46	86.2 ± 2.89	1.227	0.225^##
Weight^##	Range	80–90	81–92	1.227	0.225^##
Height^##	Mean ± SD	186.3 ± 2.7	186.8 ± 1.9	0.83	0.41^##
Height^##	Range	180 – 190	182 – 190	0.83	0.41^##
BMI	Mean ± SD	26.7 ± 1.3	27.1 ± 1.6	1.063	0.292
BMI	Range	24.5–29.3	25.3–29.8	1.063	0.292
ASA score^#	II	26 (86.7%)	22 (73.3%)	1.667	0.196^#
ASA score^#	III	4 (13.3%)	8 (26.7%)	1.667	0.196^#
Mallampati score^#	III	5 (16.7%)	7 (23.3%)	0.528	0.767^#
Mallampati score^#	IV	25 (83.3%)	23 (76.7%)	0.528	0.767^#
Thyromental distance > 6 cm^##	Mean ± SD	5.0 ± 0.4	4.9 ± 0.3	1.095	0.277^##
Steronomental distance > 12 cm^##	Mean ± SD	9.7 ± 1.1	9.2 ± 1.3	1.608	0.113^##
Type of operations	Open cholecystectomy	10 (33.3%)	12 (40.0%)	0.673	0.880
	Open hiatus hernia repair	7 (23.3%)	5 (16.7%)
	Splenectomy	8 (26.7%)	7 (23.3%)
	Umbilical hernia	5 (16.7%)	6 (20.0%)
Duration of operation	Mean ± SD	56.30 ± 4.50	54.80 ± 4.80	− 1.249	0.217
Duration of operation	Range	45–60	50–60	− 1.249	0.217