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Table 5 Classification function coefficients

From: Clinical features of headache patients with fibromyalgia comorbidity

 

No FM

FM

Frequency

0.082

0.102

SAS

0.865

0.928

TTS

0.052

0.301

SLP9

−0.03

−0.002

PCF

0.891

0.831

Constant

−37.382

−41.132

  1. Fisher’s linear discriminant functions
  2. Discriminating variables between fibromyalgic (FM) and not fibromyalgic patients
  3. SAS self-rating-anxiety-scale, TTS total tenderness score, SLP9 sleep problems index, PCF physical component summary