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Table 2 Spearman’s correlations between MFSI-SF subscales and EORTC QLQ-C30 domains

From: Psychometric properties and measurement equivalence of the Multidimensional Fatigue Syndrome Inventory- Short Form (MFSI-SF) amongst breast cancer and lymphoma patients in Singapore

EORTC QLQ-C30 MFSI-SF
General Fatigue Physical Fatigue Emotional Fatigue Mental Fatigue Vigour Total Score
Functional
 Physical − 0.501a − 0.524a − 0.404a − 0.347a 0.358a − 0.515a
 Role − 0.507a − 0.397a − 0.412a −  0.390a 0.394 a − 0.501a
 Emotional − 0.581a − 0.492a − 0.774a − 0.482a 0.488a − 0.661a
 Cognitive − 0.416a − 0.383a − 0.476a − 0.756 a 0.324a − 0.519a
 Social − 0.509a − 0.421a − 0.485a − 0.500a 0.478a − 0.591a
Global QOL
 Global health status (GHS) − 0.559a − 0.533a − 0.492a − 0.436a 0.612a − 0.667a
Symptom scales
 Fatigue 0.655 a 0.537 a 0.517 a 0.451 a − 0.463a 0.627 a
 Pain 0.374a 0.461a 0.367a 0.244a − 0.230a 0.378 a
Symptom Items
 Dyspnoea 0.410a 0.365a 0.363a 0.366a − 0.287a 0.419 a
 Insomnia 0.367a 0.398a 0.360a 0.319a − 0.234a 0.386 a
 Appetite loss 0.365a 0.378a 0.323a 0.232a − 0.380a 0.410a
 Constipation 0.348 a 0.265 a 0.225 a 0.206 a − 0.267a 0.323 a
 Nausea & vomiting 0.254a 0.229a 0.218a 0.127b − 0.221a 0.272a
 Diarrhoea 0.124 0.248 a 0.113 0.211 a − 0.089 0.176 a
 Financial Difficulties 0.392 0.364a 0.416a 0.324a − 0.378a 0.470a
  1. MFSI-SF Multidimensional Fatigue Symptom Inventory - Short Form, EORTC QLQ-C30 European Organization for Research and Treatment of Cancer Quality of Life Core Questionnaire 30
  2. Unmarked correlations were not significant at the 0.05 level
  3. aCorrelation was significant at the 0.01 level (2-tailed)
  4. bCorrelation was significant at the 0.05 level (2 tailed)
  5. Bolded values indicate hypothesised correlations