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Table 1 General characteristics of patients

From: Supraglottic jet oxygenation and ventilation improves oxygenation during endoscopic retrograde cholangiopancreatography: a randomized controlled clinical trial

Characteristic

Group N

(n = 56)

Group W

(n = 56)

Group WS

(n = 55)

Age[yr;mean(range)]

56(39–65)

56(43–65)

56(40–65)

Sex(male)(female)

(22)(34)

(27)(29)

(25)(30)

BMI[kg/m2;mean(SD)]

23(2.97)

22(2.30)

23(2.27)

History of hypertension

[n(%)]

23(41)

21(38)

24(44)

History of diabetes[n(%)]

22(39)

15(27)

13(24)

Mallampati class

(I)(I)(III)(IV)

(28)(21)(6)(1)

(22)(18)(15)(1)

(22)(16)(15)(2)

Thyromental distance

[cm;mean(SD)]

7(0.29)

7(0.27)

7(0.37)

History of snoring [n(%)]

18(32)

14(25)

18(33)

OSAHS[n(%)]

1(2)

0(0)

0(0)

ASA(I)(II)(III)

(7)(33)(16)

(5)(35)(16)

(2)(33)(20)

SpO2 before sedation

[%;mean(SD)]

98(1.28)

98(1.53)

98(1.36)

  1. BMI, body mass index; OSAHS, obstructive sleep apnea–hypopnea syndrome; ASA, American Society of Anesthesiologists; SpO2, peripheral oxygen saturation