Table 7 Actual patterns of specimens ≤ 9 glomeruli considered histologically classifiable with the same degree of accuracy as cases ≥ 10 glomeruli.

From: Histological classification of Japanese IgA nephropathy with a small number of glomeruli using Bayes’ theorem

Number of all glomeruli

Number of glomeruli with lesions

Posttest probability (%)

Actual distribution

Reclassified distribution

Equal distribution

2

0

81#1

84#1

58#1

3

0

86#1

89#1

69#1

4

0

90#1

92#1

77#1

5

0

92#1

94#1

83#1

6

0

94#1

96#1

87#1

7

0

96#1

97#1

90#1

8

0

97#1

98#1

93#1

9

0

98#1

98#1

95#1

9

9

90#4

91#4

95#4

  1. #1 is posttest probability for Grade I #4 is posttest probability for Grade IV.