Table 1.

Correlation between SAM68 expression and clinicopathologic characteristics of renal cell carcinoma patients

CharacteristicsnSAM68χ2 test PnSAM68χ2 test P
Low or none, no. (%)High, no. (%)Nucleus, no. (%)Cytoplasm, no. (%)
Age (y)0.871
    <5211755 (47)62 (53)11168 (61.3)43 (38.7)0.622
    ≥5212457 (46)67 (54)11876 (64.4)42 (35.6)
Gender0.664
    Male16977 (45.6)92 (54.4)160105 (65.6)55 (34.4)0.191
    Female7235 (48.6)37 (51.4)6939 (56.5)30 (43.5)
Pathologic stage<0.001
    I11969 (58)50 (42)11182 (73.9)29 (26.1)0.003
    II4521 (46.7)24 (53.3)4122 (53.7)19 (46.3)
    III4516 (35.6)29 (64.4)4527 (60)18 (40)
    IV326 (18.8)26 (81.3)3213 (40.6)19 (59.4)
T classification0.004
    T112772 (56.7)55 (43.3)11985 (71.4)34 (28.6)0.023
    T25523 (41.8)32 (58.2)5126 (51.0)25 (49)
    T35315 (28.3)38 (71.7)5331 (58.5)22 (41.5)
    T462 (33.3)4 (66.7)62 (33.3)4 (66.7)
N classification0.002
    N0217109 (50.2)108 (49.8)205135 (65.9)70 (34.1)0.025
    N1132 (15.4)11 (84.6)135 (38.5)8 (61.5)
    N2111 (9.1)10 (90.9)114 (36.4)7 (63.6)
Metastasis0.005
    No219108 (49.3)111 (50.7)207135 (65.2)72 (34.8)0.025
    Yes224 (18.2)18 (81.8)229 (40.9)13 (59.1)
Fuhrman Grade<0.001
    I4629 (63.0)17 (37.0)3633 (91.7)3 (8.3)<0.001
    II13070 (53.8)60 (46.2)12890 (70.3)38 (29.7)
    III418 (19.5)33 (80.5)4114 (34.1)27 (65.9)
    IV245 (20.8)19 (79.2)247 (29.2)17 (70.8)
Histologic classification0.007
    CCRCC18796 (51.3)91 (48.7)177131 (74.0)46 (26.0)<0.001
    PRCC389 (23.7)29 (76.3)384 (10.5)34 (89.5)
    MCRCC85 (62.5)3 (37.5)66 (100)0 (0)
    CRCC82 (25.0)6 (75.0)83 (62.9)5 (37.1)

Abbreviations: CCRCC, clear cell renal cell carcinoma; PRCC, papillary renal cell carcinoma; MCRCC, multilocular cystic renal cell carcinoma; CRCC, chromophobe renal cell carcinoma.