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Table 4 Mean differences in factor scores of several patients groups.

From: Development of a self-reporting tool to obtain a Combined Index of Severity of Fibromyalgia (ICAF*)

  Mean differences in factor scores Mean diff.
  Emotional Physical-Activity Active Coping Passive Coping Total FIQ
No sick leave vs temporary leave N(170/42) -.405* -.236 .234 -.287 -.646* -6,433**
No sick leave vs permanent leave N(170/35) -.725** -.493* .127 -.368* -1.546** -10.114**
Workers. No sick leave vs temporary leave N(94/37) -.440* -.289 .298 -.352 -.773* -7.491**
MUSs. 1Q vs 4Q N(81/81) -.490* -.161 .098 -.473* -1.007** -6.022**
Number of tender points. 1Q vs 4Q N(111/87) -.172 -.496** -.157 -.318* -1.196** -6.908**
Six-minutes walk test. 1Q vs 4Q N(32/73) .348 .526* -.229 .811** 1.346** 6.290**
Comorbidity. 1Q vs 4Q N(74/107) -.486** -.116 .204 -.122 -.548 -3.401
Total cost 1Q vs 4Q N(67/72) -.603** -.762** .213 -.585** -1.757** -11.957**
  1. Key: *p < .05, **p < .01, MUSs = medically unexplained syndromes,1Q = 1st quartile, 4Q = 4th quartile