Table 2 Factor analysis of symptom clusters.

From: Effect of symptom clusters on quality of life in patients with head and neck cancer treated with radiotherapy: a cross-sectional study

Item

Item name

Factor loadings

Ropharyngeal symptoms

Neurosensory symptoms

Psychological symptom

Gastrointestinal symptoms

ASHE14

Severity of oral and pharyngeal mucus

0.808

   

ASHE10

Severity of dry mouth

0.772

   

ASHE21

Severity of oral or pharyngeal pain

0.765

   

ASHE15

Severity of swallowing/choking

0.726

   

ASHE20

Severity of taste abnormalities

0.611

   

ASHE16

Severity of choking on food or drink

 

0.692

  

ASHE18

Severity of skin pain

 

0.613

  

ASHE22

Severity of dental or gum pain

 

0.611

  

ASHE13

Severity of numbness and tingling

 

0.503

  

ASHE05

Most distressing symptom

  

0.802

 

ASHE11

Severity of sorrow/difficulty

  

0.777

 

ASHE04

Severity of sleeplessness

  

0.620

 

ASHE06

Severity of shortness of breath

  

0.583

 

ASHE02

Severity of fatigue (weakness)

  

0.547

 

ASHE03

Severity of nausea

   

0.840

ASHE12

Severity of vomiting

   

0.759

ASHE08

Severity of appetite loss

   

0.582

Eigenvalue

3.601

3.350

3.321

2.585

Explained variance %

16.370

15.226

15.097

11.750

Total explained variance %

58.443

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