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Table 2 Outcomes. Data are presented as mean (standard deviation), median (quartiles), and frequency (%)

From: Modified-ramped position: a new position for intubation of obese females: a randomized controlled pilot study

 Ramped group (n = 30)Modified ramped group (n = 30)P value
Relatively difficult mask ventilation25 (83%)*6 (20%)< 0.001
Difficult laryngoscopy14 (47%)*1 (3%)< 0.001
Time till vocal cord visualization (seconds)17 (2)*12 (3)< 0.001
Time till endotracheal tube insertion (seconds)42 (3)*33 (2)< 0.001
Cormak-Lehane view without cricoid pressureIIb (IIa-IIb) *IIa (I-IIb)0.01
Cormack-Lehane view with cricoid pressureI (I-IIa) *I (I-I)0.03
Cormack-Lehane view without cricoid pressure
 I5 (17%)14 (47%)0.04
 II(a)7 (24%)8 (27%)
 II(b)12 (40%)5 (17%)
 III6 (20%)3 (10%)
Cormack-Lehane view with cricoid pressure
 I16 (53%)24 (80%)0.09
 II(a)11 (37%)5 (17%)
 II(b)3 (10%)1 (3%)
 III  
Number of intubation trials1 (1,1)1 (1,1)1
First end-tidal CO2 reading (mmHg)35.1 (4.4)34.9 (3.9)0.88
  1. *denotes statistical significance (P < 0.05)