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Association between serum microRNA-338-5p and clinical features.
| Variable | n | χ2 | P-value |
|---|---|---|---|
| Age, months | 4.750 | 0.562 | |
| <12 | 22 | ||
| >12 | 28 | ||
| Sex | 0.009 | 0.856 | |
| Male | 33 | ||
| Female | 17 | ||
| Laterality | 0.150 | 1.060 | |
| Unilateral | 36 | ||
| Bilateral | 14 | ||
| IIRC clinical stage | 1.350 | 0.554 | |
| Stages A-C | 11 | ||
| Stages D-E | 39 |
IIRC, International Intraocular Retinoblastoma Classification.
