Table 3 Analysis of prognostic risk factors for OS in all patients
Factors | Univariate analysis | Multivariate Cox regression analyses | ||||
|---|---|---|---|---|---|---|
N | OS, n (%) | χ2 | P | HR (95% CI) | P | |
Eye affected | 373 | 364 (97.7) | 4.19 | 0.041 | 0.206 (0.196–0.257) | 0.837 |
Unilateral eye | 162 | 161 (99.4) | ||||
Bilateral eye | 211 | 203 (96.2) | ||||
Recurrence | 29 | 26 (89.7) | 6.14 | 0.013 | 1.376 (0.878–2.156) | 0.013 |
Clinical stages of left eye | 291 | 264 (92.7) | 5.76 | 0.016 | 3.510 (3.409–3.729) | 0.001 |
Group A-C | 72 | 67 (93.1) | ||||
Group D-E | 212 | 194 (91.5) | ||||
Extraocular disease stage | 5 | 3 (60.0) | ||||
Not staged | 1 | 0 (0.0) | ||||
Eyeball atrophy | 1 | 0 (0.0) | ||||
Presenting signs | 373 | 364 (97.7) | 4.18 | 0.041 | 2.304 (2.084–2.419) | 0.022 |
Leukocoria | 277 | 259 (93.5) | ||||
Vision loss and blindness | 6 | 6 (100.0) | ||||
Proptosis | 2 | 2 (100.0) | ||||
Strabismus | 26 | 24 (92.3) | ||||
Ocular motility disorder | 5 | 5 (100.0) | ||||
Conjunctival hyperemia | 7 | 7 (100.0) | ||||
Infections of the eyeball | 23 | 20 (90.0) | ||||
Physical examination | 27 | 22 (81.5) | ||||