| Transpupillary thermotherapy baseline | Transpupillary thermotherapy 12 months | Difference (%) | Photodynamic therapy baseline | Photodynamic therapy 12 months | Difference (%) | p Value | ||
| Greatest linear dimension (mm) | Mean (SD) | 3.63 (1.05) | 3.50 (1.38) | −3.6 | 3.46 (1.09) | 3.55 (1.52) | +2.9 | 0.35 |
| Lesion size (mm2) | Mean (SD) | 8.41 (4.61) | 8.80 (6.83) | +4.6 | 7.66 (4.66) | 8.34 (8.17) | +8.9 | 0.81 |
| Foveal thickness (µm) | Mean (SD) | 308.4 (98.8) | 264.1 (119.5) | −14.4 | 286.4 (96.0) | 215.7 (93.0) | −24.7 | 0.17 |