Symptom-burden in people living with frailty and chronic kidney disease

Table 5 Principal Component Analysis of Non-Frail and Frail Participant Symptom Scores

A. Non-Frail
Cluster	Symptoms	Rotated Component Coefficient
Cluster	Symptoms	1	2
Sleep disturbance	Sleep disturbance	0.874
	Restless legs	0.783
	Poor concentration	0.645
Musculoskeletal/breathlessness	Breathlessness		0.778
	Bone/joint pain		0.764
	Cramp/muscle stiffness		0.687
B. Frail
Cluster	Symptoms	Rotated Component Coefficient
Cluster	Symptoms	1	2	3
Frailty	Loss of appetite	0.715
	Tiredness	0.697
	Feeling cold	0.566
	Poor concentration	0.503
Sleep disturbance	Urinary frequency		0.747
	Sleep disturbance		0.665
	Restless legs		0.647
	Breathlessness		0.503
Musculoskeletal	Cramp/muscle stiffness			0.865
	Loss of muscle strength			0.627
	Bone/joint pain			0.551