Characterization of renal artery variation in patients with clear cell renal cell carcinoma and the predictive value of accessory renal artery in pathological grading of renal cell carcinoma: a retrospective and observational study

Table 3 Correlation between ARA and clinicopathological features of patients with ccRCC

Variables	Group with ARA in the affected kidney (n = 41)	Group without ARA in the affected kidney (n = 58)	P value
Sex, n (%)			0.503
Male	24 (58.54)	30 (51.72)
Female	17 (41.46)	28 (48.28)
Age, years	59.14 ± 10.46	57.57 ± 9.38	0.711
BMI, kg/m²	24.85 ± 2.52	25.52 ± 3.63	0.855
Hypertension, n (%)			0.228
Yes	22 (53.66)	24 (41.38)
No	19 (46.34)	34 (58.62)
Maximum tumor diameter, cm	5.61 ± 2.86	3.11 ± 1.46	0.000
Tumor location, n (%)			0.449
Superior pole of kidney	13 (31.70)	13 (22.41)
Middle pole of kidney	10 (24.39)	20 (34.48)
Inferior pole of kidney	18 (43.90)	25 (43.10)
Tumor growth pattern, n (%)			0.000
Exophytic	39 (95.12)	41 (70.69)
Endogenetic	2 (4.88)	17 (29.31)
Fuhrman grade, n (%)			0.000
High	20 (48.78)	6 (10.34)
Low	21 (51.22)	52 (89.66)

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