Exploration of symptom clusters during hemodialysis and symptom network analysis of older maintenance hemodialysis patients: a cross-sectional study

Table 3 Factor loading of total symptom score after hemodialysis in older maintenance hemodialysis patients (n = 167)

Symptom	Mood symptom cluster	Gastrointestinal discomfort symptom cluster	Cardiopulmonary discomfort symptom cluster	Sleep disorder symptom cluster	Skin discomfort symptom cluster
Worrying	0.848
Feeling nervous	0.824
Feeling anxious	0.821
Feeling sad	0.613
Feeling irritable	0.525
Nausea		0.955
Vomiting		0.780
Chest pain			0.673
Cough			0.591
Shortness of breath			0.502
Trouble staying asleep				0.795
Trouble falling asleep				0.789
Itching					0.827
Dry skin					0.663
Eigenvalue	6.628	2.162	1.712	1.626	1.379
Variance contribution rate (%)	23.867	7.192	4.906	4.846	3.754
Cumulative variance contribution rate (%)	23.867	31.059	35.965	40.812	44.566

ISSN: 1471-2369