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Table 3 Correlations between anchor items (Spearman’s Rho)

From: Thresholds for clinical importance for four key domains of the EORTC QLQ-C30: physical functioning, emotional functioning, fatigue and pain

  Physical Functioning Emotional Functioning Fatigue Pain
Burden – limitations 0.83 0.75 0.83 0.88
Burden – help 0.56 0.62 0.59 0.65
Limitations – help 0.61 0.64 0.63 0.72
  1. All p < 0.001