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Table 5 Summary statistics for paired changes in scale scores (from baseline to 6 months)

From: A mixed methods study to assess the feasibility of a randomised controlled trial of invasive urodynamic testing versus clinical assessment and non-invasive tests prior to surgery for stress urinary incontinence in women: the INVESTIGATE-I study

Questionnaire

n

Mean (SD)

Median (IQR)

Range

‘IUT’ arm

    

 ICIQ-FLUTS - Overall score

31

7.8 (5.9)

7 (4 to 15)

-5 to +18

 ICIQ-UI SF

34

8.9 (6.0)

11 (4 to 13)

-3 to +16

 ICIQ-LUTSqol

29

20.0 (11.4)

23 (12 to 28)

-5 to +41

UDI - Overall score

27

79.5 (45.5)

75 (51 to 122)

-21 to +161

 ‘no IUT’ arm

    

 ICIQ-FLUTS -Overall score

48

9.3 (7.3)

10.5 (5.5 to 15)

-9 to +22

 ICIQ-UI SF

49

10.2 (5.8)

11 (6 to 15)

-4 to +21

 ICIQ-LUTSqol

47

23.7 (13.9)

23 (14 to 35)

-3 to +50

 UDI - Overall score

41

94.1 (55.3)

92 (70 to 117)

-66 to +221

  1. ICIQ-FLUTS, International Consultation on Incontinence modular questionnaire - Female Lower Urinary Tract Symptoms questionnaire; ICIQ-UI SF, ICIQ Urinary Incontinence Short Form questionnaire; ICIQ-LUTSqol, ICIQ Lower Urinary Tract Symptoms quality of life questionnaire; UDI, Urogenital Distress Inventory; SD, standard deviation; IQR, interquartile range; IUT, invasive urodynamic testing (intervention) arm; no IUT, no invasive urodynamic testing (control) arm