Table 5
Differences between tumours with and without local recurrence after TCT. (Values are mean (SD))
| Parameter | No recurrence | Recurrence | p Value |
|---|---|---|---|
| Tested with Wilcoxon signed rank test. *Values for tumours >2 mm tumour height. | |||
| Number of treated tumours (n) | 34 (62%) | 21 (38%) | |
| Number of tumours per eye before TCT (n) | 4.0 (1.6) | 3.8 (1.8) | 0.63 |
| Age at start of treatment (years) | 0.78 (0.6) | 0.69 (0.62) | 0.8 |
| Tumour diameter (mm) | 5.4 (3.0) | 7.9 (4.7) | <0.0001 |
| Tumour height (mm) | 2.9 (1.8) | 4.5 (2.5) | <0.0001 |
| Distance to optic disc (mm) | 2.75 (2.73) | 2.14 (2.27) | 0.19 |
| Number of TCT sessions (n) | 4.2 (1.6) | 4.4 (1.6) | 0.76 |
| Total duration of TCT (minutes) | 54.1 (29.7) | 63.8 (32.5) | 0.07 |
| Mean power during TCT session (mW) | 493 (212) | 613 (190) | <0.0001 |
| Mean total energy applied during TCT (J) | 1677 (1086) | 2340 (1250) (2601 ± 1207)* | 0.001 (0.02)* |
| Mean energy/tumour volume applied during TCT (J/mm3) | 183 (220) | 497 (1077) (48 ± 65)* | <0.0001 (<0.0001)* |
