Table 1.
Demographic and clinicopathologic characteristics, and overall survival of patients with retinoblastoma.
| Characteristics | Patients [N (%)] |
Deaths [N (%)] |
Overall survival rate (%) | P-value | |
|---|---|---|---|---|---|
| 5-year | 10-year | ||||
| All patients | 923 | 37 | 96 | 95 | |
| Sex | .355 | ||||
| Male | 457 (49.5) | 21 (56.7) | 95 | 94 | |
| Female | 466 (50.5) | 16 (70.3) | 97 | 96 | |
| Ethnicity | .453 | ||||
| White | 694 (75.1) | 27 (72.9) | 96 | 95 | |
| Black | 132 (14.3) | 10 (27.1) | 94 | 91 | |
| Others | 97 (10.6) | 0 | 100 | 100 | |
| Age (years) | .447 | ||||
| 0 | 400 (43.3) | 13 (35.1) | 98 | 95 | |
| 1-4 | 487 (52.8) | 23 (62.2) | 95 | 95 | |
| 5-19 | 36 (3.9) | 1 (2.7) | 97 | 97 | |
| Histologic type | .277 | ||||
| NOS | 814 (88.1) | 35 (94.6) | 96 | 94 | |
| Undifferentiated | 78 (8.5) | 1 (2.7) | 99 | 99 | |
| Differentiated | 25 (2.7) | 1 (2.7) | 99 | 99 | |
| Diffuse | 6 (0.7) | 0 | 100 | 100 | |
| Laterality | .058 | ||||
| Unilateral | 636 (68.9) | 20 (54.1) | 97 | 96 | |
| Bilateral | 287 (31.1) | 17 (45.9) | 94 | 92 | |
| Rural-urban | .026 | ||||
| Urban | 836 (90.5) | 30 (81.1) | 97 | 95 | |
| Rural-urban | 44 (4.8) | 3 (8.1) | 93 | 93 | |
| Rural | 43 (4.7) | 4 (10.8) | 89 | 89 | |
| Size | .004 | ||||
| <16 mm | 320 (34.7) | 10 (27.1) | 97 | 97 | |
| ≥16 mm | 235 (25.5) | 18 (48.6) | 93 | 90 | |
| Unknown | 368 (39.8) | 9 (24.3) | 98 | 96 | |
| Year of diagnosis | .085 | ||||
| 2004-2007 | 314 (34.0) | 8 (21.6) | 98 | 97 | |
| 2008-2011 | 299 (32.4) | 18 (48.6) | 94 | 93 | |
| 2012-2015 | 310 (33.6) | 11 (29.7) | 96 | 92 | |
Rural-urban indicates: Rural-urban fringe zone.