Table 6: Effect of watching the ASMR video, pre-intervention anxiety, trait anxiety, age, sex, type of surgery, and time of surgery on systolic BP.

Post-intervention systolic BP (mmHg)

p-value

ASMR group (vs control group)

-3.9 (-7.7, -0.1)

0.043

Pre-intervention systolic BP (per every 10 mmHg)

8.8 (7.2, 10.4)

<0.0005

STAI-T (per every 10 points)

0.5 (-1.6, 2.5)

0.65

Age (per 10 years)

-0.6 (-1.9, 0.7)

0.36

Male

0.4 (-4.2, 5.0)

0.85

Surgery Type

0.75

Ear nose throat

1.0 (referent)

Orthopaedics

-0.2 (-6.0, 5.7)

0.95

Urological

3.6 (-3.0, 10.2)

0.28

Other

0.71 (-5.6, 7.0)

0.82

Time of surgery (%)

0.42

11:00-13:59

1.0 (referent)

14:00 – 17:00

-1.8 (-6.1, 2.6)

ASMR: Autonomous Sensory Meridian Response; BP: Blood Pressure.