Table 2

Mean (SD), Median and 25-75% range for the questionnaires in the different formats
PAPER INTERNET
Mean (SD) Median (25%-75%) Mean (SD) Median (25%-75%)
HHIE 26.0 (16.5) 22.0 (14.0-34.0) 29.9 (17.3) 24.0 (18.0-40.0)
IOI-HA 26.3 (4.7) 26.0 (23.0-30.0) 26.5 (5.2) 27.0 (23.0-31.0)
SADL 4.8 (0.7) 4.8 (4.3-5.3) 4.6 (0.6) 4.6 (4.3-5.1)
HADS 7.3 (5.9) 6.0 (3.0-10.0) 6.6 (5.4) 5.0 (3.0-8.0)

Data from HHIE and HADS are not normally distributed. N = 53.

Thorén et al.

Thorén et al. BMC Ear, Nose and Throat Disorders 2012 12:12   doi:10.1186/1472-6815-12-12

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