Variables

Frequency( n)

Percentage (%)

Age in years (Median=41.5, IQR=29)

18 to 40

167

49.7

41 to 60

103

30.7

≥ 61

66

19.6

Gender

 Male

147

43.8

 Female

189

56.3

Body weight, Kg(M=56.3, SD=9.6)

 25.01 - 50.00 

107

31.8

 50.01 - 70.00

211

62.8

 70.01 - 90.00

18

5.4

 Height, Cm (M=162.4, SD=8.4)

130 - 150

37

11

151 - 170 

234

69.6

171 - 190 

65

19.3

Body Mass Index (Median = 21.3,  IQR= 3.27)

Severe Malnutrition 

14

4.2

Under nutrition 

39

11.6

Normal

252

75

Overweight

28

8.3

Obesity

3

0.9

Smoking Status

 Yes 

16

4.8

 No  

320

95.2

Person in charge of intubation

Regular Anesthetist

294

87.5

Anesthesia Students

42

12.5

**Anesthetist experience in years (Median=4, IQR=9.75)

< 2 years

60

20.4

2 -5 years

124

42.2

6 - 10 years

35

11.9

≥ 11 years

75

25.5

Position of the patient during Surgery

Supine

326

97

Prone

1

0.3

Left lateral

2

0.6

Right lateral

2

0.6

Lithotomy 

5

1.5

Type of Surgery

  Gynecological

74

22

  Orthopedic

46

13.7

  Breast

1

0.3

  Thyroid

11

3.3

  Abdominal

144

42.9

  Ear Nose Throat (ENT)

26

7.7

*others

34

10.1