Skip to main content

Table 4 Known groups validity: PROMIS Fatigue Short Form 6a T-score by dysmenorrhea and NMPP responder status at months 3 and 6

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

Time Outcome Responders Non-responders F-testa
N Mean (SD) N Mean (SD) F P-value
Month 3 Dysmenorrheab 351 54.5 (10.0) 381 59.1 (8.8) 42.78 < 0.0001
NMPPc 397 54.4 (9.5) 335 59.8 (9.0) 62.62 < 0.0001
Month 6 Dysmenorrheab 292 52.9 (10.2) 281 59.7 (8.8) 73.64 < 0.0001
NMPPc 321 53.2 (10.0) 252 60.2 (8.8) 78.10 < 0.0001
  1. NMPP Non-menstrual pelvic pain, PROMIS Patient-Reported Outcome Measurement Information System, SD Standard deviation
  2. aGeneral linear model controlling for age and baseline Fatigue score
  3. bPain due to endometriosis over the last 28 days during menstruation
  4. cPain due to endometriosis over the last 28 days when the patient was not menstruating