Table 1
Error matrix of ANN assessment against reference (clinical) assessment
| ANN classification | Clinical assessment | Operational accuracy | ||||
|---|---|---|---|---|---|---|
| FB | HD | SGD | LSD | Total | ||
| Fundus background | — | — | — | — | — | — |
| Hard drusen | 62.9 | 373.1 | 10.9 | 230.6 | 677.5 | 55.07% |
| Serogranular drusen | 393.5 | 15.9 | 1279.2 | 15.5 | 1704.1 | 75.07% |
| Large soft distinct drusen | 0.03 | 3.32 | 2.5 | 0.31 | 6.16 | 5.03% |
| Total | 456.43 | 392.32 | 1292.6 | 246.41 | =→ | 2387.76 |
| System accuracy | — | 95.1% | 98.96% | 0.13% | 2387.76 | 1652.61 |
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Note: The tabular data above are raw output values of likelihood weightings produced from the ANN analysis.
