Table 2.
Regression patterns: D, S, O, I: tumor characteristics
| Tumor characteristics | Regression patterns, No. (%) | P Value | Total (n = 139) | |||
|---|---|---|---|---|---|---|
| D (n = 65) | S (n = 50) | O (n = 6) | I (n = 18) | No. (%) | ||
| Tumor height, mm | ||||||
| mean ± SD | 7.24 ± 2.37 | 7.30 ± 2.58 | 6.77 ± 1.83 | 5.09 ± 1.47 | P = 0.005 | 6.97 ± 2.43 |
| median | 7.4 | 7.3 | 6.85 | 5 | 6.7 | |
| 95%CI | [6.65 7.83] | [6.57 8.04] | [4.85 8.68] | [4.36 5.82] | ||
| Tumor diameter, mm | ||||||
| mean ± SD | 11.48 ± 2.72 | 12.44 ± 2.94 | 12.00 ± 3.74 | 13.31 ± 3.45 | P>0.05 | 12.09 ± 2.98 |
| median | 11.5 | 12.3 | 12.1 | 12.5 | 11.9 | |
| 95%CI | [10.81 12.16] | [11.60 13.27] | [8.08 15.92] | [11.59 15.03] | ||
| Subretinal fluid | ||||||
| absent | 16 (24.6) | 11 (22.0) | 1 (16.7) | 6 (33.3) | P>0.05 | 34 (24.5) |
| persistent | 49 (75.4) | 39 (78.0) | 5 (83.3) | 12 (66.7) | 105 (75.5) | |
| AJCC staging | ||||||
| T1 | 4 (6.2) | 3 (6.0) | 0 | 2 (11.1) | P>0.05 | 9 (6.5) |
| T2 | 36 (55.4) | 24 (48.0) | 3 (50) | 10 (55.6) | 73 (52.5) | |
| T3 | 24 (36.9) | 21 (42.0) | 3 (50) | 5 (27.8) | 53 (38.1) | |
| T4 | 1 (1.5) | 2 (4.0) | 0 | 1 (5.5) | 4 (2.9) | |
| Tumor Size | ||||||
| S | 16 (24.6) | 12 (24.0) | 2 (33.3) | 9 (50.0) | P>0.05 | 39 (28.1) |
| M | 41 (63.1) | 29 (58.0) | 4 (66.7) | 9 (50.0) | 83 (59.7) | |
| L | 8 (12.3) | 9 (18.0) | 0 | 0 | 17 (12.2) | |
| Tumor Shape | ||||||
| mushroom shape | 32 (49.2) | 22 (44.0) | 3 (50.0) | 3 (16.6) | P = 0.02 | 60 (43.2) |
| flat shape | 1 (1.5) | 0 | 0 | 1 (5.6) | 2 (1.4) | |
| dome shape | 30 (46.2) | 27 (54.0) | 2 (33.3) | 10 (55.6) | 69 (49.6) | |
| irregular shape | 2 (3.1) | 1 (2.0) | 1 (16.7) | 4 (22.2) | 8 (5.8) | |