Table 2.
Discrepant Cases With Positive Grades and Negative Examination Findings
| Diagnosis | No. of Image Sets | Consensus Review Results, No. (%) | ||
|---|---|---|---|---|
| Clinical Examination | Trained Readers | Examination Finding in Sample Reviewed | ||
| Zone I ROPa | ||||
| No ROP | 17 | NA | 2 | 0 |
| Zone II | 195 | NA | 38 | 4 (10.0) |
| Zone I | NA | 212 | NA | 36 (90.0) |
| Stage 3 ROPb | ||||
| No ROP | 36 | NA | 1 | 0 |
| Stage 1 | 130 | NA | 13 | 0 |
| Stage 2 | 592 | NA | 26 | 14 (35.0) |
| Stage 3 | NA | 758 | NA | 23 (57.5) |
| Indeterminant | NA | NA | NA | 3 (7.5) |
| Plus diseasec | ||||
| Normal vessels | 4 | NA | 4 | 0 |
| 1–4 Quadrants of preplus disease | 12 | NA | 12 | 12 (75.0) |
| Plus disease | NA | 16 | NA | 4 (25.0) |
Abbreviations: NA, not applicable; ROP, retinopathy of prematurity.
a
A random sample of 40 of the 212 discrepant cases was reviewed.
b
A random sample of 40 of the 128 discrepant cases was reviewed.
c
All 16 discrepant cases were reviewed.