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Table 2 Results of F-tests for individual fixed-effects terms using Satterthwaite approximation for degrees of freedom

From: Subdiagnosis, but not presence of vestibular symptoms, predicts balance impairment in migraine patients – a cross sectional study

Fixed effect Sum Squares df (num., den.) F value P value
Diagnosis 174.5 3, 218.35 3.1426 0.026
Surface 10,813.4 1, 206.91 584.3510 <  0.001
Eyes 4402.0 1, 225.33 237.8827 <  0.001
Vestibular Symptoms 46.4 1, 206.25 2.5078 0.11
Diagnosis:Surface 234.6 3, 206.91 4.2255 0.006
Diagnosis:Eyes 74.8 3, 234.80 1.3475 0.25
Eyes:Vestibular Symptoms 37.3 1, 262.60 2.0182 0.15
Diagnosis:Surface:Eyes 90.0 230.05 1.6218 0.18
  1. Significant p-values are marked by boldface. The best-fitting model, including random-effects terms, had an R2 of 0.84