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Table 2 Comparison of severity of stress urinary incontinence and the impact of the severity of urinary incontinence on the life of premenopausal women in intervention and control groups

From: Effect of vitamin D supplementation on the severity of stress urinary incontinence in premenopausal women with vitamin D insufficiency: a randomized controlled clinical trial

Items

Time

Intervention (n = 30)

Control (n = 30)

P-valuea

Time

Time*Group

Group

Severity of SUI

Before intervention

13.93 ± 3.49

13.53 ± 3.33

0.652

<  0.001

< 0.001

0.001

Four weeks after intervention

13.13 ± 3.23

13.50 ± 3.30

0.666

Eight weeks after intervention

9.16 ± 2.27

12.93 ± 3.69

<  0.001

Twelve weeks after intervention

4.66 ± 0.71

12.23 ± 4.21

< 0.001

P-valueb

< 0.001

0.010

 

The impact of the severity of urinary incontinence on life

before intervention

7.90 ± 2.09

7.76 ± 2.06

0.804

< 0.001

< 0.001

<  0.001

4 weeks after intervention

7.36 ± 1.93

7.76 ± 2.06

0.442

8 weeks after intervention

5.06 ± 1.28

7.40 ± 2.29

< 0.001

12 weeks after intervention

2.23 ± 0.62

6.93 ± 2.79

< 0.001

P-valueb

< 0.001

0.009

 
  1. Data are expressed as mean ± standard deviation
  2. aindependent t-test between groups
  3. brepeated measures analysis of variance (Bonferroni correction) within groups