Table 1 Comparison of demographic data for the two treatment groups
Characteristic | Half-dose PDT group (n = 46 eyes/41 patients) | One-third-dose PDT group (n = 20 eyes/19 patients) | P-value |
|---|---|---|---|
Age, mean ± SD (years) | 51.51 ±7.8 | 46.47±8.88 | 0.030* |
Sex, No. (%) | |||
-Male | 29 (70.7) | 15 (78.9) | 0.754 |
-Female | 12 (29.3) | 4 (21.1) | |
Study eye, No. (%) | |||
-Right | 25 (54.3) | 10 (50.0) | 0.793 |
-Left | 21 (45.7) | 10 (50.0) | |
BMI, mean ±SD, kg/m2 | 24.07±3.80 | 24.06 ±3.18 | 0.994 |
Duration of symptoms, mean ±SD, (months) | 9.43 ±8.84 | 12.35 ±8.13 | 0.212 |
Group types, No. (%) | |||
-Chronic | 39 (84.8) | 13 (65.0) | 0.071 |
-Recurrent | 7 (15.2) | 7 (35.0) | |
Leakage type, No. (%) | |||
-Smoke stack | 8 (17.4) | 3 (15.0) | 0.652 |
-Ink blot | 27 (58.7) | 14 (70.0) | |
-Diffuse | 11 (23.9) | 3 (15.0) | |
GLD mean±SD (μm) | 1324.50±1510.09 | 1957.70±1122.72 | 0.980 |
PDT spot size, mean±SD (μm) | 2438.04±1649.09 | 3155.40±1450.59 | 0.980 |
Initial BCVA | |||
-LogMAR, mean±SD | 0.40±0.37 | 0.40±0.41 | 0.908 |
Initial CRT, mean±SD (μm) | 366.57±127.69 | 352.90 ±107.10 | 0.677 |