Table 1 Definition and scale of Patient Perception of Intensity of Urgency Scale (PPIUS)

Urinated:

Passed urine in the toilet.

Incontinence:

Involuntary release of urine.

Urge Incontinence:

Involuntary release of urine accompanied or immediately preceded by urgency

Urgency:

0

No urgency

I felt no need to empty my bladder, but did so for other reasons.

1

Mild urgency

I could postpone voiding as long as necessary, without fear of wetting myself.

2

Moderate urgency

I could postpone voiding for a short while, without fear of wetting myself.

3

Severe urgency

I could not postpone voiding, but had to rush to the toilet in order not to wet myself.

4

Urge incontinence

I leaked before arriving to the toilet.