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Table 7 Comparison of defects in central location of study eye at baseline visit with defects at randomization visit, in late entry patients, with correction for short term fluctuation (SFC)

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

 

Defect at randomization visit (RV)*

 

Paracentral

Central

Neither paracentral nor central

Total

Defect at baseline visit

No. (%)

% at RV

No. (%)

% at RV

No. (%)

% at RV

No. (%)

% at RV

Paracentral

2 (28.6)

0

5 (71.4)

13.9

0

0

7 (100.0)

14.9

Central

0

0

17 (94.4)†

47.2

1 (5.6)

11.1

18 (100.0)

38.3

Neither paracentral nor central

0

0

14 (63.6)

38.9

8 (36.4)

88.9

22 (100.0)

46.8

Total

2 (4.3)

100.0

36 (76.6)

100.0

9 (19.2)

100.0

47 (100.0)

100.0

  1. * p = 0.0003; Stuart Maxwell test for marginal homogeneity
  2. † p = 0.09 for change in severity, 11.5 dB at baseline versus 6.7 dB at randomization; paired t test