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Table 2 Symptoms Reported During Concept Elicitation (Waves 1 and 2)

From: Symptoms and impacts in anemia of chronic kidney disease

Symptom

Spontaneously Reported

n/N (%)a

Reported After Probing

n/N (%)b

Total Mentions of a Concept

Proportion spontaneous

n/N (%)c

Proportion after probing

n/N (%)d

Feeling tired

22/28 (79)

5/6 (83)

22/27 (81)

5/27 (19)

Shortness of breath

11/28 (39)

5/6 (83)

11/16 (69)

5/16 (31)

Feeling weak/lacking strength

10/28 (36)

0/0

10/10 (100)

0/10 (0)

Gastrointestinal symptoms

5/28 (18)

6/10 (60)

5/11 (45)

6/11 (55)

Difficulty sleeping

4/28 (14)

6/12 (50)

4/10 (40)

6/10 (60)

Difficulty remembering things

0/28 (0)

12/24 (50)

0/12 (0)

12/12 (100)

Difficulty concentrating

0/28 (0)

9/24 (38)

0/9 (0)

9/9 (100)

Restless legs

0/28 (0)

5/14 (36)

0/5 (0)

5/5 (100)

  1. an represents the total number of participants who spontaneously mentioned the symptom and N represents all patients who participated in the concept elicitation interviews
  2. bn represents the number of participants who reported experiencing the symptom and N represents the number of participants probed regarding the symptom
  3. cn represents spontaneous mentions of the symptom and N represents the total mentions of the symptom (spontaneous and probed)
  4. dn represents mentions of the symptom after probing and N represents the total mentions of the symptom (spontaneous and probed)