Open Access

Table II

Distribution of groups according to significant absolute deltas.

  VR − VR+ p
Absolute delta STAI-YA < −8 10 (20.0) 22 (40.0) 0.026*
Absolute delta VAS < −2 8 (16.0) 22 (40.0) 0.009**

n (%); m ± sd; * power ≈ 85%; ** power > 90%; p = p-value.

Absolute delta STAI-YA = Score STAI-YA (during) − Score STAI-YA (before); absolute delta VAS = Score VAS (during) − score VAS (before); STAI-YA = State Trait Anxiety Inventory − State; VAS = Visual analogue scale (anxiety); VR = Virtual reality.

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