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Table 3 Distribution characteristics of ThyPRO score at baseline

From: Psychometric properties of the thyroid-specific quality of life questionnaire ThyPRO in Singaporean patients with Graves’ disease

Scales, n = 47 observations

No. of items

Mean (SD)

Median (Interquartile range)

Min - Max range

Floor/ Ceiling (%)

Cronbach’s alpha

ThyPRO Original, Baseline

Goitre Symptoms

11

12 (13)

7 (2–20)

0–45

20/0

0.81

Hyperthyroid Symptoms

8

37 (25)

34 (19–67)

0–78

4/0

0.87

Hypothyroid Symptoms

4

24 (24)

19 (6–27)

0–100

17/ 2

0.75

Eye Symptoms

8

15 (18)

7 (0–28)

0–75

33/0

0.87

Tiredness

7

50 (24)

52 (32–64)

0–100

2/4

0.85

Cognitive Complaints

6

23 (28)

13 (0–42)

0–100

31/4

0.95

Anxiety

6

30 (26)

25 (8–46)

0–100

17/2

0.91

Depressivity

7

29 (24)

29 (11–39)

0–100

10/2

0.91

Emotional Susceptibility

9

37 (21)

32 (22–53)

3–100

0/2

0.89

Impact on Social life

4

18 (21)

13 (0–25)

0–100

25/2

0.79

Impact on Daily life

6

20 (26)

8 (0–42)

0–100

40/ 2

0.93

Impact on Sex life

2

18 (30)

0 (0–25)

0–100

60/ 6

0.98

Cosmetic Complaints

6

20 (25)

8 (0–30)

0–96

25/ 0

0.85

Overall QOL Impact

1

33 (34)

25 (0–50)

0–100

31/13