Table 3 Comparison of change in blood pressure and heart rate after intervention between groups (Sidak analysis)

From: The effect of music with and without binaural beat audio on operative anxiety in patients undergoing cataract surgery: a randomized controlled trial

Vital sign Mean (S.D.) P-value
  Control (n=47) MI (n=44) BB (n=44) Control vs MI Control vs BB MI vs BB
Blood pressure
 Systolica +5.3 (17.5) −3.3 (15.5) −3.2 (16.0) 0.040 0.043 1.000
 Diastolica −0.1 (9.7) 2.5 (9.4) 0.7 (7.6) 0.505 0.988 0.716
Heart ratea +0.4 (11.0) −1.5 (7.7) −5.3 (7.8) 0.303 0.004 0.050
  1. Abbreviations: BB, Binaural beat embedded musical intervention; Control, No music; MI, Musical intervention without binaural beat.
  2. aDifference in vital signs at the beginning of the operation minus vital signs at operative time 20 min.