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Table 4 Difference scores and intraclass correlation coefficients for patient-provider-pairs of symptom severity scores

From: Health care providers underestimate symptom intensities of cancer patients: A multicenter European study

  Total Difference scorea Intraclass correlation
Symptom N Mean SD ICC b 95% CI
Pain 1918 -0.40 0.86 0.46 0.31 - 0.57
Fatigue 1923 -0.44 0.97 0.40 0.27 - 0.51
Generalized weakness 1916 -0.38 0.96 0.41 0.31 - 0.50
Anorexia 1912 -0.58 1.10 0.38 0.22 - 0.51
Depression 1908 -0.38 0.90 0.46 0.33 - 0.55
Constipation 1917 -0.39 0.92 0.59 0.47 - 0.68
Poor sleep 1915 -0.31 0.93 0.49 0.41 - 0.56
Dyspnea 1920 -0.39 0.85 0.56 0.41 - 0.66
Nausea 1924 -0.38 0.84 0.53 0.39 - 0.63
Vomiting 1925 -0.28 0.70 0.51 0.40 - 0.60
Diarrhea 1916 -0.28 0.69 0.51 0.39 - 0.60
  1. aDifference scores were calculated by subtracting the patient's symptom score from the health care provider's symptom score.
  2. bIntraclass correlation coefficient, two way mixed effect model; absolute agreement definition; single measure ICC.