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Table 8 Unadjusted mean scores (± SD) of EORTC QLQ-NMIBC24 subscales for 541 NMIBC patients participating in UroLife at three time points after diagnosis and mean differences at 3 months (T3mo) and 15 months (T15mo) compared to 6 weeks (T6wk) after diagnosis (responsiveness)

From: Validation and reliability of the Dutch version of the EORTC QLQ-NMIBC24 Questionnaire Module for patients with non-muscle-invasive bladder cancer

 

Patient score, mean (SD)

Effect sizea

T6wk (N = 541)

T3mo (N = 471)

T15mo (N = 423)

T3mo vs. T6wk

T15mo vs. T6wk

Urinary symptoms (–)e

28.4 (21.0)

22.3 (19.3)

17.8 (16.4)

− 0.27d

− 0.53d

Malaise (–)e

3.7 (12.1)

3.4 (10.5)

2.5 (9.5)

− 0.02

− 0.08

Future worries (–)e

33.6 (24.1)

29.5 (22.6)

24.7 (21.4)

− 0.17d

− 0.38d

Bloating and flatulence (–)e

17.4 (21.2)

17.1 (20.4)

14.4 (18.0)

0.00

− 0.14c

Sexual functioning (+)e

21.9 (22.6)

24.4 (22.2)

27.1 (23.2)

0.09d

0.23d

Male sexual problems (–)e

28.1 (32.6)

27.5 (31.2)

33.3 (33.0)

− 0.01

0.12b

Intravesical treatment issues (–)e

10.0 (18.8)

9.5 (18.7)

6.2 (15.7)

0.02

− 0.23d

Sexual intimacy (–)e

13.8 (22.4)

10.4 (20.0)

10.1 (19.2)

− 0.20c

− 0.29c

Risk of contaminating partner (–)e

19.3 (27.0)

14.3 (22.7)

10.0 (21.5)

− 0.20b

− 0.46d

Sexual enjoyment (+)e

45.0 (29.7)

42.9 (26.5)

41.9 (29.1)

− 0.12

− 0.20b

Female sexual problems (–)e

33.3 (25.8)

18.8 (36.5)

12.7 (24.7)

− 0.34

− 1.16b

  1. aEffect size was calculated using Cohen’s d statistic (mean difference divided by pooled standard deviation) and 0.2 is considered small, 0.5 moderate, and 0.8 large
  2. bp ≤ 0.05
  3. cp ≤ 0.01
  4. dp ≤ 0.001
  5. eThe signs (–) and (+) indicate whether higher scores on this scale are worse or better, respectively