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Table 3 Calculation method for each domain in QLQ-C30 (V3.0)

From: A multicenter randomized controlled open-label trial to assess the efficacy of compound kushen injection in combination with single-agent chemotherapy in treatment of elderly patients with advanced non-small cell lung cancer: study protocol for a randomized controlled trial

Field

Code

Character

Item amount

Scores (R)

Calculation method

Physical function

PF

Function

5

3

(Q1 + Q2 + Q3 + Q4 + Q5)/5

Role function

RF

Function

2

3

(Q6 + Q7)/2

Emotional function

EF

Function

4

3

(Q21 + Q22 + Q23 + Q24)/4

Cognitive function

CF

Function

2

3

(Q20+ Q25)/2

Social function

SF

Function

2

3

(Q26 + Q27)/2

Global QOL

QL

 

2

6

(Q29 + Q30)/2

Fatigue

FA

Symptom

3

3

(Q10 + Q12 + Q26)/3

Nausea and vomiting

NV

Symptom

2

3

(Q14 + Q15)/2

Pain

PA

Symptom

2

3

(Q9 + Q19)/2

Dyspnea

DY

Symptom

1

3

Q8

Sleep disturbance

SL

Symptom

1

3

Q11

Appetite loss

AP

Symptom

1

3

Q13

Constipation

CO

Symptom

1

3

Q16

Diarrhea

DI

Symptom

1

3

Q17

Financial difficulties

FI

Symptom

1

3

Q28