Table 2.
Differences in the concentration of various tumor biomarkers between RCC patients with and without IOM.
| Clinical features | IOM group | NIOM group | t | P value |
|---|---|---|---|---|
| NSE | 53.50 ± 14.97 | 41.36 ± 17.66 | 2.86 | 0.004 |
| AFP | 3.68 ± 1.12 | 4.90 ± 3.74 | -1.382 | 0.168 |
| CEA | 35.38 ± 95.41 | 3.80 ± 3.17 | 1.404 | 0.178 |
| CA-125 | 41.85 ± 25.67 | 28.57 ± 111.92 | 0.502 | 0.616 |
| CA-153 | 24.48 ± 16.38 | 22.56 ± 10.34 | 0.492 | 0.629 |
| CA-199 | 18.88 ± 12.21 | 15.41 ± 14.05 | 1.026 | 0.306 |
| ALP | 337.50 ± 644.05 | 81.56 ± 60.44 | 1.686 | 0.110 |
| Hb | 91.50 ± 28.12 | 117.32 ± 25.17 | -4.213 | <0.001 |
| Calcium | 2.40 ± 0.43 | 2.29 ± 0.25 | 1.084 | 0.293 |
Notes: P < 0.05 represented statistically significant. Abbreviations: IOM: intraocular metastasis; NIOM: nonintraocular metastasis; NSE: neuron-specific enolase; AFP: alpha-fetoprotein; CEA: carcinoembryonic antigen; ALP: alkaline phosphatase; Hb: hemoglobin.