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. 2016 May 9;11:963–970. doi: 10.2147/COPD.S102754

Table 4.

Descriptive statistics for the questions of Hospital Anxiety and Depression Scale (HADS) Questionnaire

Questions from HADS questionnaire Mean (SD) Median
(quartile I–quartile III)
I feel tense or wound up 2.5 (0.67) 3 (2–3)
I still enjoy the things I used to enjoy 2.6 (0.88) 3 (2–3)
I get a sort of frightened feeling as if something bad is about to happen 2.6 (0.73) 3 (2–3)
I can laugh and see the funny side of things 2.7 (0.81) 3 (2–3)
Worrying thoughts go through my mind 2.6 (0.81) 3 (2–3)
I feel cheerful 2.5 (0.79) 3 (2–3)
I can sit at ease and feel relaxed 2.8 (0.98) 3 (2–4)
I feel as if I am slowed down 2.6 (0.59) 3 (2–3)
I get a sort of frightened feeling like butterflies in the stomach 2.2 (0.55) 2 (2–3)
I have lost interest in my appearance 2.6 (0.94) 2 (2–3.5)
I feel restless and have to be on the move 2.6 (0.73) 2 (2–3)
I look forward with enjoyment to things 2.7 (0.79) 3 (2–3)
I get sudden feelings of panic 2.6 (0.63) 3 (2–3)
I can enjoy a good book or radio or TV program 2.6 (0.98) 3 (2–3)
It happened that I exploded with anger 2.6 (0.85) 3 (2–3)
It happened that I was upset and angry 2.4 (0.85) 2 (2–3)
Overall anxiety level 10.2 (3.32) 10 (8–13)
Overall depression level 10.8 (4.15) 11 (8–13)

Abbreviation: SD, standard deviation.