Table 3 Cluster analysis variables compared across clusters a
From: OMERACT-based fibromyalgia symptom subgroups: an exploratory cluster analysis
Measure | Cluster 1b(n = 150) | Cluster 2c(n = 171) | Cluster 3d(n = 136) | Cluster 4e(n = 124) | P-valuef |
|---|---|---|---|---|---|
MFI physical fatigue | 12.5 (3.7) | 17.1 (2.4) | 15.5 (2.8) | 18.5 (1.7) | <0.0001 |
MOS-Sleep Problems Index II | 42.4 (16.5) | 56.2 (17.2) | 53.5 (15.4) | 70.8 (15.5) | <0.0001 |
BPI pain severity | 3.6 (1.4) | 5.5 (1.4) | 4.7 (1.5) | 6.6 (1.2) | <0.0001 |
MASQ | 80.1 (15.7) | 88.5 (16.9) | 98.8 (17.8) | 119.5 (17.4) | <0.0001 |
FIQ function | 7.1 (4.8) | 16.2 (5.7) | 12.9 (5.2) | 21.5 (4.0) | <0.0001 |
FIQ stiffness | 5.0 (2.2) | 8.0 (1.4) | 7.2 (1.8) | 8.7 (1.1) | <0.0001 |
POMS tension-anxiety | 3.9 (3.1) | 4.3 (2.6) | 10.2 (3.6) | 12.1 (3.8) | <0.0001 |
POMS Depression-Dejection | 3.2 (3.2) | 3.7 (2.5) | 10.0 (3.7) | 12.1 (4.5) | <0.0001 |