Growth Pattern of Clear Cell Renal Cell Carcinoma in Patients with Delayed Surgical Intervention: Fast Growth Rate Correlates with High Grade and May Result in Poor Prognosis

Table 1

Patient demographics and tumor characteristics.

Sex
Men (%)	48 (78.7)
Women (%)	13 (21.3)
Age, yr
Median	56
Mean	55
Range	26–81
Side
Left (%)	32 (52.5)
Right (%)	29 (47.5)
Initial tumor size
Maximal diameter, cm
Median	1.90
Mean	2.32
Range	0.10–6.70
Volume, cm^3
Median	3.591
Mean	11.186
Range	0.001–82.967
Final tumor size
Maximal diameter, cm
Median	4.00
Mean	4.44
Range	1.40–11.8
Volume, cm^3
Median	28.595
Mean	66.992
Range	0.982–560.017
Duration of AS, mo
Median	27.00
Mean	39.5
Range	12–155
Grade
1	13
2	38
3	10
Pathological stage
T1a	30
T1b	20
T2	6
T3	5

AS: active surveillance; LGR: linear growth rate; DT: doubling time.