Table 2.

Results of blinded re-rating of 100 subjects with pediatric DPLD by two independent raters and reasons for incorrect rating (see individual values in Additional file 3: Table S2)

	Blinded rater 1		Blinded rater 2
	Category	Subcategory	Category	Subcategory
Correct categorization	80	82	92	84
Non-correct categorization	20	18	8	16
1 Reports not appreciated/read in detail (= true mistake of rater)	5	8	2	6
2 Poor knowledge of the classification rules	3	4	2	4
3 Insufficient data on case	8	0	2	2
4 Deficit of the classification system	4	6	2	4

Data are absolute numbers (total n = 100) or %