Table 1 Patient Characteristics.

From: Transnasal humidified rapid insufflation ventilatory exchange vs. facemask oxygenation in elderly patients undergoing general anaesthesia: a randomized controlled trial

 

THRIVE n = 30

Facemask n = 28

Age (years)

73.10 ± 5.05

70.64 ± 4.28

Sex

  Male

16 (53.3%)

17 (60.7%)

  Female

14 (46.7%)

11 (39.3%)

BMI (kg m−2)

24.72 ± 3.03

25.03 ± 5.55

ASA status

  I

0 (0%)

1 (3.6%)

  II

29 (96.7%)

27 (96.4%)

  III

1 (3.3%)

0 (0%)

Modified Mallampati score

  I

22 (73.3%)

24 (85.7%)

  II

8 (26.7%)

3 (10.7%)

  III

0 (0%)

1 (3.6%)

Pulmonary comorbidity

  COPD

0 (0%)

0 (0%)

  asthma

1 (3.3%)

1 (3.6%)

Cardiovascular comorbidity

  Hypertension

19 (63.3%)

16 (57.1%)

  CHF

0 (0%)

0 (0%)

  Arrhythmia

11 (51.7%)

12 (48.3%)

Breath-holding time

  <30 s

4 (13.3%)

5 (17.9%)

  ≥30 s

26 (86.7%)

23 (82.1%)

Hemoglobin

11.3 ± 2.0

11.7 ± 1.5

Intubation time (s)

25 (20 ~ 40)

25 (20 ~ 40)

Intubation attempts

  1

30 (100%)

28 (100%)

  1. Data are presented as mean (SD), number (proportion) or median (inter-quartile range). Abbreviations: THRIVE, transnasal humidified rapid insufflation ventilator exchange; COPD, chronic obstructive pulmonary disease; CHF, chronic heart failure.
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