Table 1 Demographic and clinical characteristics of the patients. Data are presented as mean (standard deviation), median (interquartile range), or number (percentage).

From: A randomized controlled trial of nasal airway ventilation technique in edentulous patients during anesthesia induction

 

Nasal airway group (n = 40)

Facemask group (n = 40)

P value

Age (yr)

74.5 (5.6)

74.2 (5.6)

0.795

Gender, n (%)

  

0.823

 Male

18 (45.0)

19 (47.5)

 

 Female

22 (55.0)

21 (52.5)

 

BMI (kg/m2)

21.8 (20.6–22.4)

21.9 (20.1–23.0)

0.634

ASA, n (%)

  

0.818

 II

15 (37.5)

16 (40.0)

 

 III

25 (62.5)

24 (60.0)

 

Mallampati Score, n (%)

  

0.818

 I

16 (40.0)

15 (37.5)

 

 II

24 (60.0)

25 (62.5)

 

Gastric tube, n (%)

  

0.502

 Yes

21 (52.5)

18 (45.0)

 

 No

19 (47.5)

22 (55.0)

 

Vte immediately after intubation (mL/kg)

8.0 (0.2)

7.9 (0.2)

0.748

  1. BMI body mass index. ASA American society of anesthesiologists. Vte expired tidal volume.