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Table 3 The mean of indicators of physical symptoms of premenstrual syndrome in the control and intervention groups before and after the intervention

From: The effect of 8 weeks aerobic exercise on severity of physical symptoms of premenstrual syndrome: a clinical trial study

Group Control \( \overline{X}\pm SD \) Intervention \( \overline{X}\pm SD \) P value* Independent t-test
Physical symptoms
Acne Before 1/9 ± 1/37 1/85 ± 1/26 0/89
After 1/26 ± 1/08 1/11 ± 0/9 0/09
Difference − 0/66 ± 0/92 − 0/82 ± 1/04 0/5
Bloating Before 1/34 ± 0/66 1/34 ± 0/88 0/5
After 0/89 ± 0/43 0/53 ± 0/32 0/08
Difference -0/26 ± 0/63 −0/54 ± 0/88 0/01**
Breast sensitivity Before 2/56 ± 0/81 2/74 ± 0/65 0/33
After 1/90 ± 0/95 1/80 ± 0/93 0/7
Difference −0/7 ± 0/98 −1/05 ± 0/9 0/13
Dizziness Before 2/23 ± 1/19 1/44 ± 1/57 0/06
After 1/7 ± 1/16 1/20 ± 1/25 0/06
Difference −0/4 ± 0/77 −0/4 ± 0/73 0/7
Fatigue Before 1/56 ± 1/4 1/51 ± 1/37 0/88
After 1/16 ± 1/17 1/14 ± 1/16 0/8
Difference −0/3 ± 0/74 −0/6 ± 0/84 0/13
Headache Before 1/93 ± 1/36 1/48 ± 1/50 0/21
After 1/6 ± 1/3 0/85 ± 0/74 0/001**
Difference −0/5 ± 0/82 −0/42 ± 0/69 0/7
Flushing Before 2/02 ± 1/21 1/77 ± 1/37 0/42
After 1/83 ± 1/17 1/31 ± 1/20 0/08
Difference −0/36 ± 0/71 −0/8 ± 0/99 0/04**
Nausea, diarrhea, constipation Before 1/90 ± 1/39 1/68 ± 1/45 0/54
After 1/6 ± 1/24 1/01 ± 0/91 0/01**
Difference −0/43 ± 0/89 −0/45 ± 0/78 0/9
heart beat (Palpitations)*** Before 1/8 ± 1/27 1/08 ± 2/34 0/17
After 1/4 ± 1/1 1/4 ± 0/97 0/09
Difference −0/5 ± 1/00 −0/91 ± 0/98 0/12
Swollen in Breast Before 1/56 ± 1/38 1/42 ± 1/31 0/68
After 1/36 ± 1/32 0/98 ± 0/97 0/001**
Difference −0/33 ± 0/71 −1/00 ± 0/71 0/002**
Increased appetite Before 2/00 ± 1/25 1/97 ± 1/36 0/93
After 1/7 ± 1/05 1/34 ± 0/99 0/1
Difference −0/36 ± 0/71 −0/91 ± 0/88 0/008**
  1. *P < 0.05 was considered statistically significant
  2. **significant
  3. ***Palpitations are the perceived abnormality of the heartbeat characterized by awareness of cardiac muscle contractions in the chest: hard, fast and/or irregular beats