A Study on the Immunohistochemical Expressions of Leptin and Leptin Receptor in Clear Cell Renal Cell Carcinoma

Table 1

Demographic data of study cohort.

Variable	Subjects ()
Mean age (range) years	60.5 (30-82)
Gender (%)
Male	42 (70.0)
Female	18 (30.0)
Ethnicity (%)
Malay	19 (31.7)
Chinese	29 (48.3)
Indian	12 (20.0)
Tumour side (%)
Right	27 (45.0)
Left	33 (55.0)
BMI (%)
Normal	26 (41.2)
Obese	34 (56.7)
Mean BMI (range)	27.1 (16.2-40.9)
T stage (%)
1	29 (48.3)
2	13 (21.7)
3	17 (28.3)
4	1 (1.7)
N stage (%)
N0	52 (86.7)
N1	8 (13.3)
Metastases (%)
M0	48 (80.0)
M1	12 (20.0)
Clinical stage (%)
Stage I	23 (38.3)
Stage II	14 (23.3)
Stage III	12 (20.0)
Stage IV	11 (18.3)
Fuhrman grade (%)
Grades 1-2	40 (66.7)
Grades 3-4	20 (33.3)