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Table 3 Classification of severity of 23 visual fields with altitudinal defects from training set

From: Development and validation of a computerized expert system for evaluation of automated visual fields from the Ischemic Optic Neuropathy Decompression Trial

  

Field parameters

Qualitative severity (as classified by panel)

n

Average dB loss within defect

95% CI

Average number points in defect

95% CI

Mild

1

6.2

 

5

 

Moderate

5

18.2

12.9 to 23.5

25

24.3 to 25.7

Severe

17

27.4

26.3 to 28.5

26

25.8 to 26.2