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Table 2 Demographic and preoperative data of patients

From: Comparison of C-MAC D-blade videolaryngoscope and McCoy laryngoscope efficacy for nasotracheal intubation in simulated cervical spinal injury: a prospective randomized comparative study

Patient characteristicsGroup C
(n = 48)
Group M
(n = 47)
Age47 (30.8–55.8)36 (26.0–50.0)
Gender (M/F) (n)29/1927/20
BMI (kg/m2)22.8 ± 3.524.4 ± 3.8
ASA class (n)
 I/II/III10/33/517/26/4
Mallampati class (n)
 I/II/III/IV21/18/5/416/19/10/2
Thyromental distance (cm)8.0 (8.0–9.0)8.0 (8.0–10.0)
Neck circumference (cm)37.5 (34.0–39.8)38.0 (36.0–40.0)
Inter-incisor distance (cm)
 Without collar4.0 (4.0–5.0)4.0 (4.0–5.0)
 With collar2.5 (2.0–3.0)2.0 (2.0–3.0)
  1. Values are expressed as mean ± SD, median (interquartile range 25th–75th) or number (%), SDStandard deviation
  2. BMI Body mass index, ASA American society of anesthesiologists