Table 2 T-test, Mann-Whitney U test and Chi-Square/Fisher’s Exact test for all demographics

Age (m)

56.80 ± 24.487

52.40 ± 26.416

T= 0.473

p=0.640

Height (cm)

111.53 ± 13.89

106.27 ± 15.764

T= 0.971

p=0.340

U Value

P-value

Weight (kg)

21 (14 - 23)

14 (13 - 22)

U= 85

p=0.267

Chi-square

P-value

Gender

1.292

Male: Female

8 (53.3%): 7 (46.7%)

11(73.3%): 4 (26.7%)

p=0.256

ASA I

12 (80%)

11 (73.3%)

0.187

ASA II

3 (20%)

4 (26.7%)

p=1.000^a

Surgery type

General surgery:

4 (26.7%)

10 (66.7%)

ENT surgery:

5 (33.3%)

3 (20%)

Plastic surgery:

1 (6.7%)

1 (6.7%)

Ophthalmology surgery:

5 (33.3%)

0 (0%)

11.480

Neurosurgery:

0 (0%)

1 (6.7%)

p=0.022^b,c