A Randomized Controlled Trial for the Effectiveness of Progressive Muscle Relaxation and Guided Imagery as Anxiety Reducing Interventions in Breast and Prostate Cancer Patients Undergoing Chemotherapy

Table 2

Average values for anxiety and depression scores before and after the intervention. Average values of biomarkers (cortisol and amylase) across weekly measurements.

	Intervention ()	Control ()	value	Mean difference	Cohen’s
	Mean ± SD	Mean ± SD
Scales
Anxiety score (Zung), before the intervention	45.01 ± 6.9	39.47 ± 9.9	<0.0001	5.54	0.65
Anxiety score (Zung), after the intervention	38.71 ± 6.1	44.38 ± 7.6	<0.0001	−5.67	0.83
Depression score (Beck), before intervention	39.07 ± 9.9	25.39 ± 17.5	<0.0001	13.67	0.96
Depression score (Beck), after the intervention	21.35 ± 8.5	37.10 ± 12.3	<0.0001	−15.75	1.49
Biomarkers
Cortisol level before intervention	0.30 ± 0.25	0.21 ± 0.22	0.0080	0.087	0.37
Cortisol level at 1st week	0.20 ± 0.18	0.32 ± 0.29	0.0002	−0.127	0.53
Cortisol level at 2nd week	0.18 ± 0.19	0.38 ± 0.31	<0.0001	−0.204	0.79
Cortisol level at 3rd week	0.16 ± 0.18	0.44 ± 0.35	<0.0001	−0.277	0.99
Amylase level before intervention	246.9 ± 145.7	237.5 ± 146.1	0.1910	−26.57	0.18
Amylase level at 1st week	210.7 ± 135.8	352.5 ± 165.7	<0.0001	−141.81	0.94
Amylase level at 2nd week	171.2 ± 113.3	383.9 ± 179.8	<0.0001	−212.69	1.42
Amylase level at 3rd week	142.7 ± 99.5	407.3 ± 184.6	<0.0001	−264.67	1.79