Table 1: Baseline demographic characteristics for both the ASMR and control groups.

Variables

ASMR n = 25

Control n = 25

p-value

Age, years (mean +/-SD)

49 (17)

45 (16)

0.33c

Sex: female (%)

56

52

1.00a

Prior surgery (%),

8

8

1.00a

Surgery type (%)

0.16a

Ear nose throat

24

16

Orthopaedics

12

40

Urological

36

24

Other

28

20

Ethnicity (%)

0.11b

Asian

0

16

Caucasian

100

84

Time of surgery (%)

1.00a

11:00-13:59

36

40

14:00-17:00

64

60

a - Pearson’s chi square test

b - Fisher’s exact test

c – Two sample t-test

ASMR: Autonomous Sensory Meridian Response.