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Table 2 Inclusion and exclusion criteria

From: Effects of voluntary pre-contraction of the pelvic floor muscles (the Knack) on female stress urinary incontinence—a study protocol for a RCT

Inclusion criteria

- Age 18 to 70 years old

- Mild to moderate SUI or MUI (with predominance of SUI) as assessed by means of the 1-h pad test (leakage ≥ 2 g). Mild SUI will be defined as leakage up to 10 g and moderate SUI as leakage of 11 to 50 g [17]

- Able to have a gynaecological examination

Exclusion criteria

- Symptoms of overactive bladder alone

- Chronic degenerative, uncontrolled metabolic, neurological or psychiatric diseases

- Previous participation in a pelvic floor re-education programme and/or previous pelvic floor surgery or currently receiving other treatment for UI

- Pelvic organ prolapse greater than stage II according to the Pelvic Organ Prolapse Quantification (POP-Q) system

- Use of medication for UI or medication that interferes with the musculoskeletal system

- Loss of stools or mucus

- Active urinary or vaginal infection in the past 3 months

- Body mass index ≥ 35 kg/m2