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Table 4 Percentage change on cluster analysis measures: movement to a better cluster or worse clustera

From: Longitudinal stability of fibromyalgia symptom clusters

Measure

Better cluster at follow-up(n = 96)

Worse cluster at follow-up(n = 86)

MFI

−12.42 (−16.96, −7.89)

9.92 (4.73, 15.10)

MOS-Sleep

−3.72 (−12.57, 5.13)

25.46 (13.36, 37.56)

BPI

−15.62 (−21.81, −9.44)

35.28 (16.01, 54.54)

FIQR function

−21.36 (−30.70, −12.02)

58.38 (24.45, 92.30)

FIQR stiffness

−23.26 (−32.24, −14.28)

31.27 (14.03, 48.52)

MASQ

−5.85 (−8.28, −3.43)

8.59 (5.07, 12.10)

POMS depression-dejection

−26.28 (−39.67, −12.88)

111.95 (73.43, 150.48)

POMS tension-anxiety

−15.97 (−29.11, −2.83)

101.90 (62.73, 141.06)

  1. BPI Brief Pain Inventory, FIQR Revised Fibromyalgia Impact Questionnaire, MASQ Multiple Ability Self-Report Questionnaire, MFI Multidimensional Fatigue Inventory, MOS-Sleep Medical Outcomes Study Sleep measure, POMS Profile of Mood States
  2. aValues are mean (95% confidence interval) percentage change from baseline to follow-up