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Table 1 Summary of PKDD and PKDIA itemsa

From: Psychometric validation of the Pyruvate Kinase Deficiency Diary and Pyruvate Kinase Deficiency Impact Assessment in adults in the phase 3 ACTIVATE trial

 

Description

Score range

PKDD itemb

  

1

Describe how tired you were at its worst today

0–10

2

Describe how tired you felt after finishing your daily activities (e.g., work, social, leisure, physical or household activities) today

0–10

3

Describe your jaundice (how yellow your eyes and/or skin appeared) when you looked in the mirror today

0–4

(None–very severe)

4

Describe your bone pain at its worst today

 Option: I have never experienced bone pain

0–10

5

Describe your shortness of breath during moderate (e.g., walking on an incline or upstairs) physical activity you did today

 Option: I avoided this activity because it was too difficult for me to do moderate physical activity

 Option: Not applicable, because I did not have the opportunity to do moderate physical activity

0–10

6

Describe your energy level at the beginning of your day (after being awake for one hour)

0–10

7

Describe your energy level at the end of your day (right now)

0–10

PKDIA itemc

  

1

Start things you wanted to get done

0–10

2

Finish things you wanted to get done

0–10

3

How often were you bothered by your appearance because of your PK deficiency over the past 7 days?

0–10

4

How often did you get unwanted attention because of your PK deficiency over the past 7 days?

0–10

5

How often did your PK deficiency interfere with your ability to do household activities (e.g., chores, cleaning, laundry) over the past 7 days?

0–10

6

How often did a lack of energy due to your PK deficiency interfere with participating in social activities (e.g., doing something together with friends) over the past 7 days?

0–10

7

How often did your PK deficiency interfere with leisure activities (i.e., hobbies or things you do for fun in your free time) over the past 7 days?

0–10

8

How often did you feel your relationships with friends or family were negatively affected because of your PK deficiency over the past 7 days?

0–10

9a

Did you work or go to school over the past 7 days?

 Option: Yes

 Option: No, because it was too difficult for me to go to work or school

 Option: No, because I am not currently working or in school for reasons unrelated to my PK deficiency

Yes/no

9b

[If yes to Question 9a] How often did your PK deficiency interfere with your ability to perform to your full potential at work or school over the past 7 days?

0–10

10

How often did you have difficulty concentrating because of your PK deficiency over the past 7 days?

0–10

11a

Did you perform moderate (e.g., walking on an incline or up stairs) physical activity over the past 7 days?

 a. Yes

 b. No, because it was too difficult for me to do moderate physical activity

 c. No, because I did not have the opportunity to do moderate physical activity

a/b/c

11b

[If yes to Question 11a] How often did you have difficulty performing moderate (e.g., walking on an incline or up stairs) physical activity because of your PK deficiency over the past 7 days?

0–10

12

How much additional rest or sleep did you feel you needed because of your PK deficiency over the past 7 days?

0–4

(None–a lot)

  1. aOwnership of the PKDD and PKDIA resides with Agios
  2. bHigher scores are worse for all items except 6 and 7
  3. cHigher scores are worse for all items except 4
  4. PKDD items 1 and 2 were graded from “0—not at all tired” to “10—extremely tired”, items 4 and 5 from “0—none” to “10—worst possible”, and items 6 and 7 from “0—low energy” to “10—high energy”. PKDIA items 1 and 2 were graded from “0—not at all difficult” to “10—extremely difficult”, items 3–8, 9b, 10, and 11b were graded from “0—none of the time” to “10—all of the time”
  5. PK pyruvate kinase, PKDD Pyruvate Kinase Deficiency Diary, PKDIA Pyruvate Kinase Deficiency Impact Assessment