Table 3. Difference of mean staining score of Orai1 and STIM1 expressions and clinico-pathological parameters of clear cell renal cell carcinoma.
| Parameters | Orai1 expression | STIM1 expression | ||
|---|---|---|---|---|
| Mean ± SD | P value | Mean ± SD | P value | |
| Perirenal fat invasion | ||||
| Absent | 2.83 ± 2.42 | 0.029 | 1.95 ± 2.71 | 0.759 |
| Present | 1.44 ± 1.90 | 2.20 ± 2.88 | ||
| Cystic change | ||||
| Present | 3.79 ± 2.60 | 0.001 | 1.18 ± 2.20 | 0.027 |
| Absent | 2.23 ± 2.18 | 2.27 ± 2.84 | ||
| Fuhrman nuclear grade | ||||
| Low grade (1 + 2) | 3.49 ± 2.45 | 0.000 | 1.79 ± 2.63 | 0.363 |
| High grade (3 + 4) | 1.54 ± 1.81 | 2.25 ± 2.84 | ||
| Pathologic T stage | ||||
| 1 | 2.98 ± 2.45 | 0.015 | 1.98 ± 2.79 | 0.966 |
| 2-4 | 1.83 ± 2.08 | 2.00 ± 2.57 | ||
| TNM stage | ||||
| I | 3.02 ± 2.46 | 0.009 | 1.99 ± 2.80 | 0.977 |
| II-IV | 1.82 ± 2.02 | 1.97 ± 2.56 | ||
SD, standard deviation.