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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