Table 4.
Comparison of average 2-year low hemoglobin (Hb) in eyes with thinning below the 5th percentile vs those with no thinning (top 95th percentile)
| OCT parameters (μm) | Average Hb for those with <5th percentile thinning | Number of eyes | Average Hb for those in top 95% thickness | Number of eyes | p-value |
|---|---|---|---|---|---|
| Central subfield | 6.8±1.6 | 9 | 8.9±2.4 | 49 | 0.016^ |
| Superior inner | 6.9±2.2 | 13 | 9.1±2.3 | 45 | 0.005^ |
| Superior outer | 7.5±2.0 | 6 | 8.7±2.5 | 51 | 0.269 |
| Temporal inner | 6.4±1.5 | 12 | 9.2±2.3 | 46 | <0.001^ |
| Temporal outer | 6.0±0.9 | 10 | 9.1±2.3 | 48 | <0.001^ |
| Inferior inner | 7.5±2.4 | 10 | 8.8±2.4 | 48 | 0.112 |
| Inferior outer | 8.7±2.9 | 5 | 8.6±2.4 | 53 | 0.899 |
| Nasal inner | 6.8±1.6 | 9 | 8.9±2.4 | 49 | 0.024^ |
| Nasal outer | 7.9±2.4 | 6 | 8.7±2.4 | 52 | 0.471 |
| Average thickness | 7.3±2.3 | 11 | 8.9±2.4 | 47 | 0.043^ |
| Macular volume | 7.3±2.3 | 11 | 8.9±2.4 | 47 | 0.043^ |
Note: ^statistically significant.