Table 1 CR-1 protein expression in 205 ccRCC tissues determined by immunohistochemistry
Variable | Patients | No. of patients (%) | P-value | |
|---|---|---|---|---|
CR-1 Low | CR-1 High | |||
Age, years (median 59) | ||||
  ≤ 59 | 107 | 41 (38.3) | 66 (61.7) | 0.471 |
  > 59 | 98 | 39 (39.8) | 59 (60.2) | |
Gender | ||||
 Male | 128 | 47 (36.7) | 81 (63.3) | 0.460 |
 Female | 77 | 33 (42.9) | 44 (57.1) | |
T stage | ||||
 pT1-pT2 | 150 | 72 (48.0) | 78 (52.0) | < 0.001 |
 pT3-pT4 | 55 | 8 (14.5) | 47 (85.5) | |
Lymph-node status | ||||
 N0 | 164 | 71 (43.3) | 93 (56.7) | 0.013 |
 N1–2 | 41 | 9 (22.0) | 32 (78.0) | |
Distant metastasis | ||||
 M0 | 181 | 79 (43.6) | 102 (56.4) | < 0.001 |
 M1 | 24 | 1 (4.2) | 23 (95.8) | |
TNM stage | ||||
 I-II | 137 | 66 (48.2) | 71 (51.8) | < 0.001 |
 III-IV | 68 | 14 (20.6) | 54 (79.4) | |
Fuhrman Grade | ||||
 G1-G2 | 153 | 68 (44.4) | 85(55.6) | 0.008 |
 G3-G4 | 52 | 12 (23.1) | 40 (76.9) | |