Skip to main content

Advertisement

Table 1 Mean scores and percent of patients meeting sds remission criterion by cluster at 12 weeks

From: Typology of patients with fibromyalgia: cluster analysis of duloxetine study patients

   Mean score
Variable Scale Cluster 1 (worst), Cluster 2 (physically poor), Cluster 3 (mentally poor), Cluster 4 (moderate), Cluster 5 (best),
   N = 78 N = 135 N = 104 N = 185 N = 129
Pain
BPI - Average pain intensity BPIAVP 7.58 5.93 4.12 3.55 1.43
BPI - Pain interference (overall score) BPIPIF 7.89 4.77 4.21 2.23 0.60
FIQ item 15: Pain FIQ15 8.71 7.03 5.03 4.42 1.70
Mental impairment
FIQ item 19: Anxiety FIQ19 7.38 2.30 5.09 1.70 0.67
FIQ item 20: Depression FIQ20 6.91 1.45 5.09 1.12 0.57
BDI total score BDI 25.08 7.93 15.81 5.99 3.46
SF-36 mental composite summary score SF36M 34.46 53.70 37.31 54.08 56.37
Physical impairment
FIQ - Physical impairment FIQPI 6.77 4.42 4.55 2.56 1.23
FIQ item 14: Interference with work FIQ14 8.26 6.29 4.82 3.16 0.77
FIQ item 16: Tiredness FIQ16 9.18 7.82 7.31 5.88 2.28
FIQ item 17: Awoke rested FIQ17 9.19 7.66 7.08 5.66 2.46
FIQ item 18: Stiffness FIQ18 8.79 6.87 5.69 4.58 1.88
SF-36 physical composite summary score SF36P 24.88 24.51 32.77 34.13 45.90
Global impression
CGI-S CGIS 4.35 3.80 3.50 3.01 2.18
PGI-I PGII 4.27 3.61 2.97 2.63 1.57
Overall functioning
SDS - Work/school SDS1 8.01 5.66 5.06 2.55 0.87
SDS - Social life SDS2 7.64 5.26 5.36 2.07 0.73
SDS - Family SDS3 7.82 5.59 5.33 2.38 0.83
SDS – Overall SDS 23.5 16.5 15.7 7.00 2.43
SDS – Overall ≤6 (%) (remission criterion)   0.0 1.48 2.88 46.0 90.7
  1. BDI = Beck Depression Inventory; BPI = Brief Pain Inventory; CGI-S = Clinician Global Impression of Severity; FIQ = Fibromyalgia Impact Questionnaire; N = Number of patients with available data; PGI-I = Patient Global Impression of Improvement; SF-36 = 36-item short form questionnaire; SDS = Sheehan Disability Scale.
  2. Note: for SF-36 scores, the higher the score the better the patient’s well-being, while for all other scores, the higher the score the worse the patient’s well-being.