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Table 1 Demographic data and patients’ airways

From: 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

 TRMBTest valuep value
n = 30n = 30
Age##Mean ± SD37.65 ± 10.1236.9 ± 9.640.2940.769##
Range25–5527–54
Sex#Males17 (56.7%)15 (50.0%)0.2680.605#
Females13 (43.3%)15 (50.0%)
Weight##Mean ± SD85.35 ± 2.4686.2 ± 2.891.2270.225##
Range80–9081–92
Height##Mean ± SD186.3 ± 2.7186.8 ± 1.90.830.41##
Range180 – 190182 – 190
BMIMean ± SD26.7 ± 1.327.1 ± 1.61.0630.292
Range24.5–29.325.3–29.8
ASA score#II26 (86.7%)22 (73.3%)1.6670.196#
III4 (13.3%)8 (26.7%)
Mallampati score#III5 (16.7%)7 (23.3%)0.5280.767#
IV25 (83.3%)23 (76.7%)
Thyromental distance > 6 cm##Mean ± SD5.0 ± 0.44.9 ± 0.31.0950.277##
Steronomental distance > 12 cm##Mean ± SD9.7 ± 1.19.2 ± 1.31.6080.113##
Type of operationsOpen cholecystectomy10 (33.3%)12 (40.0%)0.6730.880
Open hiatus hernia repair7 (23.3%)5 (16.7%)
Splenectomy8 (26.7%)7 (23.3%)
Umbilical hernia5 (16.7%)6 (20.0%)
Duration of operationMean ± SD56.30 ± 4.5054.80 ± 4.80− 1.2490.217
Range45–6050–60
  1. #Independent test
  2. ##Chi-square test
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