Table 2 Mean (± standard deviation) result for each DVSS question and for the total DVSS result among all study children, and compared between those with and without BBD

Q1 (daytime incontinence)

0.1 ± 0.4

0.5 ± 0.9

0.1 ± 0.3

< 0.01

Q2 (wetting amount)

0.1 ± 0.4

0.5 ± 0.9

0.1 ± 0.3

< 0.01

Q3 (low defecation frequency)

0.8 ± 0.96

1.6 ± 1.1

0.7 ± 0.9

< 0.01

Q4 (difficult defecation)

0.6 ± 0.8

1.5 ± 1.1

0.5 ± 0.8

< 0.01

Q5 (infrequent voiding)

0.3 ± 0.7

0.9 ± 1.2

0.2 ± 0.6

< 0.01

Q6 (curtsying)

0.5 ± 0.8

1.6 ± 1.2

0.4 ± 0.6

< 0.01

Q7 (urgency)

0.4 ± 0.7

1.3 ± 1.1

0.3 ± 0.6

< 0.01

Q8 (push to void)

0.1 ± 0.3

0.2 ± 0.6

0.1 ± 0.3

0.01

Q9 (dysuria)

0.1 ± 0.3

0.3 ± 0.6

0.0 ± 0.2

< 0.01

Q10 (stressful events)

0.1 ± 0.5

0.5 ± 1.1

0.1 ± 0.4

0.01

Total DVSS (0–30)

3.0 ± 2.8

8.9 ± 2.9

2.5 ± 2.0

< 0.01