Table 1

Results from test of feature classification.

Item

Pre

Post

No.

Content

n

% correct

n

% correct

1A*

Epidermal ridge

59

14

50

76

2A*

Parakeratosis

59

54

50

56

3A

Neutrophil granulocyte

59

5

50

8

4A*

Skin appendages

59

42

50

58

5A*

Thyroid follicle

59

75

50

82

6A*#

Colloid

114

33

105

55

7A*

Epithelial hyperplasia

114

1

105

17

8A#

Lymphocyte aggregation

114

61

105

69

9A*#

Normal thyroid

114

33

105

41

10A*#

Papillary structures

114

44

105

86

11A

Psammoma body

55

62

55

95

12A#

Nuclear groove

55

31

55

80

13A#

Lymphoid germinal centre

55

66

55

87

14A#

Mitosis

55

60

55

67

15A#

Oncocyte

55

0

55

9

(Items marked by an asterisk (*) are part of the pre-test composite index, and items marked by a hash (#) are part of the post-test. The respondents of A1–A5 and A11–A15 consist of non-overlapping samples.)

Helle et al. Diagnostic Pathology 2011 6(Suppl 1):S8   doi:10.1186/1746-1596-6-S1-S8