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Table 3 Comparison of the changes in the means scores of anxiety, stress, and depression in the patients scheduled for coronary angiography in the short text messaging, DVD, and control groups

From: Efficacy of education delivery through multimedia and text messaging on the psychological parameters of patients scheduled for coronary angiography: a single-blind randomized controlled clinical trial

Groups Control (n = 40) SMSa (n = 40) DVDb (n = 40)
Mean difference P-value Mean difference P-value Mean difference P-value
Anxiety
 SMSa  − 1.02 0.07 0.42 0.62
 DVDb  − 1.45 0.006  − 0.42 0.62  
Stress
 SMSa  − 4.27  < 0.001  − 0.80 0.57
 DVDb  − 3.47  < 0.001 0.80 0.57
Depression
 SMSa 0.75 0.77 1.55 0.33
 DVDb  − 2.3 0.09  − 1.55 0.33
  1. aShort message service
  2. bMultimedia content stored on a DVD