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Table 3 Known-Groups Validity Statistics for the PPSM at 1 Year

From: The psychometric validation of a US English satisfaction measure for patients with benign prostatic hyperplasia and lower urinary tract symptoms

  PPSM Total Score PPSM-Global PPSM-Pain
Health Outcome Measures and Ranges N F-Statistic Mean (SD) N F-Statistic Mean (SD) N F-Statistic Mean (SD)
IPSS +          
Level 1 25 31.25*** 21.44 (9.89) 65 52.53*** 15.21 (5.83) 25 17.34*** 8.16 (4.79)
Level 2 84   30.22 (9.31) 139   20.09 (6.05) 85   10.95 (3.99)
Level 3 21   43.57 (9.76) 40   28.17 (7.67) 21   15.19 (3.24)
IPSS HRQoL ++          
Level 1 27 13.57*** 21.51 (9.88) 43 42.39*** 13.16 (5.20) 27 6.97*** 8.29 (5.02)
Level 2 39   27.33 (9.95) 84   17.40 (5.49) 40   10.07 (4.27)
Level 3 43   33.65 (7.95) 73   21.91 (4.87) 43   11.95 (3.44)
Level 4 15   39.00 (10.82) 32   26.87 (7.59) 15   13.73 (3.69)
Level 5 9   41.55 (14.18) 17   28.88 (8.10) 9   14.33 (4.63)
BII +++          
Level 1 93 16.56*** 27.25 (10.40) 188 26.97*** 18.26 (6.59) 94 6.96*** 10.05 (4.47)
Level 2 36   36.58 (9.86) 57   24.82 (7.37) 36   12.88 (3.77)
Level 3 5   46.00 (11.46) 6   30.00 (7.46) 5   14.20 (5.84)
  1. * p < 0.05, ** p < 0.01, *** p < 0.001
  2. + Level 1 – mild (scores of 0–7); Level 2 – moderate (scores of 8–19); Level 3 – severe (scores of 20–35)
  3. ++Level 1 – Delighted/Pleased; Level 2 – Mostly satisfied; Level 3 – Mixed; Level 4 – Mostly dissatisfied; Level 5 – Unhappy/Terrible
  4. +++Level 1 – low impact (scores of 0–4); Level 2 – medium impact (scores of 5–8); Level 3 – high impact (scores of 9–13)