Table 2.

Intra-group pretest and posttest PSI Symptom Frequency Scores' comparison

Systems scores	Yoga group (n = 35)				Control group (n = 35)
	Pretest X±SD median	Posttest X±SD median		p value	Pretest X±SD median	Posttest X±SD median		p value
Genitourinary system	5.91±3.68 5	5.22±3.21 5	−0.82*	0.40	6.22±3.23 6	5.80±2.62 6	−0.44*	0.65
Cardiovascular system	3.91±2.92 3	3.22±2.27 3	−1.29*	0.19	3.74±2.68 4	4.25±2.67 4	−0.96*	0.33
Skin	2.65±2.26 2	2.57±2.32 2	−0.017*	0.98	2.14±2.07 2	2.80±2.19 2	−1.9**	0.057
Neurological system	4.05±2.35 4	3.40±2.48 3	−1.52*	0.12	3.80±2.89 3	4.28±2.80 4	−0.84*	0.40
Urinary system	2.62±1.26 2	2.68±1.47 3	−0.45*	0.64	2.74±1.40 3	3.28±1.56 3	−1.85*	0.06
Musculoskeletal system	2.25±1.85 2	2.54±1.77 2	−0.93*	0.34	2.48±1.91 2	2.74±2.13 2	−0.43*	0.66
Tiredness	1.68±0.79 2	1.54±0.88 2	0.93*	0.34	1.85±0.87 2	1.74±0.98 2	−0.66*	0.50
Gastrointestinal tract	6.74±4.32 5	5.31±3.38 5	−2,39**	0.01***	7.14±3.82 7	6.65±4.55 5	−0.56*	0.57
Respiratory system	1.48±1.26 1	1.05±1.13 1	−2.16**	0.03***	1.45±1.42 1	1.62±1.37 1	−0,72*	0.47
Mental health	7.08±4.59 6	5.22±3.48 5	−2.76**	0.004***	7.28±4.12 6	7.34±4.02 7	−0.42*	0.67
Symptom Frequency Total Score	38.42±18.76 35	32.77±16.55 36	2.16**	0.038***	38.88±15.73 39	40.48±18.32 39	−0.57**	0.56

PSI, Pregnancy Symptoms Inventory; SD, standard deviation.

^*Analyzed with the Wilcoxon signed-rank test.

^**Analyzed with the dependent (associated) groups t test.

^***p < 0.05.