Table 8.

Item analysis of FKSI-DRS over the cycles (over the first six cycles)

Items	Least squares means
	Sunitinib	IFN-α	P value
I have a lack of energy	2.48	2.19	0.431
I have pain	2.93	2.83	0.809
I am losing weight	3.37	3.18	0.111
I have bone pain	3.15	2.93	0.043
I feel fatigued	2.47	2.19	0.010
I have been short of breath	3.21	2.86	0.058
I have been coughing	3.26	3.12	0.292
I am bothered by fevers	3.82	3.25	<0.0001
I have had blood in my urine	3.94	3.92	0.181

FKSI-DRS, Functional Assessment of Cancer Therapy–Kidney Symptom Index–Disease-Related Symptoms; IFN-α, interferon-alpha.