Table 4 represents item difficulty, item fit statistics and category frequency for each item of the PedsQLTM 4.0 for self- and proxy-reports.
Among the represented biological processes, the most represented items were "ion transport" for OM formation and "cellular biosynthetic process" for individual ZH3A-3 treatment.
Underlying tasks of the 'Feeling fit scale' typically represent difficult items for visually impaired persons (as revealed from focus group discussions), providing better insight into vision-related fatigue problems compared to the 'physical fatigue' of the SFQ.
Even if these severe symptoms are highly correlated with θ, they represent poor items for a screening test because they have a low base rate and do not provide information about where most people are.
Under these conditions we caught slightly less Diptera, but relatively more Lepidoptera, Trichoptera, and Coleoptera (Additional file 14), which represent important prey items for N. noctula (Gloor et al. 1995; Kaňuch et al. 2005; Smirnov and Vekhnik 2014; Vaughan 1997).
Agreeableness was represented by nine items, for instance 'I see myself as someone who is considerate and kind to almost everyone' (Cronbach's α = .63).63
For the assessment of depressive symptoms Czech version of Beck depression inventory BDI-II [ 16, 17, 19] was used that represents 21-items questionnaire for assessing depression (Cronbach's alpha 0.89,test-retest reliability after one week 0.85).
All items in each grouping were combined to form a single variable representing those items, except for the psychological symptoms, breastfeeding problems and severe fatigue, which were examined separately.
represents main item that is needed for faculty and student support services;○ represents the sub-item that is needed under the main item ;▪ represents the items needed under the sub-item.
Whereas 'blinding' represents 1 item out of 6 for the Risk of Bias list (=17%), it counts for 3 items out of 10 for the Delphi list (=33%).
