Table 4.

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

	Total	Difference scorea		Intraclass correlation
Symptom	N	Mean	SD	ICCb	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

^aDifference scores were calculated by subtracting the patient's symptom score from the health care provider's symptom score.

^bIntraclass correlation coefficient, two way mixed effect model; absolute agreement definition; single measure ICC.