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Table 5 PROMIS Fatigue Short Form 6a by PGIC: improved, no change, and worsened

From: Psychometric assessment of the PROMIS Fatigue Short Form 6a in women with moderate-to-severe endometriosis-associated pain

Time Value PGIC improveda No change in PGIC PGIC worsenedb Overall F-testc P-value for pairwise comparisonsd
N Mean (SD) N Mean (SD) N Mean (SD) F P-value Improved vs. no change Improved vs. worsened
Month 3 Score 571 55.3 (9.2) 111 62.3 (7.8) 44 65.8 (10.6) 49.8 < 0.0001 < 0.001 < 0.001
Change from baseline 565 −7.9 (0.4) 109 −0.9 (0.8) 44 2.3 (1.3) 69.20 < 0.0001 < 0.001 < 0.001
Month 6 Score 404 54.3 (9.9) 81 60.6 (7.6) 58 63.9 (9.2) 35.2 < 0.0001 < 0.001 < 0.001
Change from baseline 398 −8.9 (0.4) 79 −3.1 (1.0) 58 0.6 (1.2) 48.54 <.0001 < 0.001 < 0.001
  1. PGIC Indicates Patient Global Impression of Change, PROMIS Patient-Reported Outcome Measurement Information System, SD Standard deviation
  2. aVery much improved, much improved, or minimally improved
  3. bMinimally worse, much worse, or very much worse
  4. cGeneral linear model, controlling for age and baseline PROMIS Fatigue SF 6a score for change values
  5. dScheffe’s test adjusting for multiple comparisons