Research Article

The Immunoexpression of YAP1 and LATS1 Proteins in Clear Cell Renal Cell Carcinoma: Impact on Patients’ Survival

Table 2

Correlations between clinicopathological characteristics of the patients with clear cell renal cell carcinoma (ccRCC) and LATS1 immunoreactivity in the cancer cells (determined by immunohistochemistry).
(a)

Qualitative parametersNumber of patients LATS1 immunoreactivity in ccRCC cells (expressed as IRS score)
0–4
(%)
>4
(%)
value

Total5422
(40.7)
32
(59.3)
 Men3113
(41.9)
18
(58.1)

1.0000
 Women239
(39.1)
14
(60.9)
Depth of invasion
 T1 + T24215
(35.7)
27
(64.3)

0.1942
 T3127
(58.3)
5
(41.7)
Fuhrman grade
 G1 + G24214
(33.3)
28
(66.7)

0.0507
 G3128
(66.7)
4
(33.3)
Distant metastases
 M04718
(38.3)
29
(61.7)

0.4260
 M174
(57.1)
3
(42.9)

(b)

Quantitative parameters value

Age0.090.5370
Tumor size0.390.0035

IRS: semiquantitative evaluation of immunoreactivity (percentage of cells × intensity score) was performed according to Remmele and Stegner [19] as described in Methods. Fisher exact test. Spearman’s correlation. RQ: relative quantification. Significant values (<0.05) are given in bold.