[Retracted] Clinical Effect of Retroperitoneal Laparoscopic Radical Nephrectomy on Renal Cell Carcinoma, the Influence of Renal Function, and the Influencing Factors of Recurrence

Table 2

Single factor analysis affecting the recurrence of renal cancer after surgery.

Factors	n	Recurrence group (n = 12)	Nonrecurrence group (n = 94)	χ^2
Gender				1.068	0.301
Male	65	9 (75.00)	56 (59.57)
Female	41	3 (25.00)	38 (40.43)
Age (years)				4.835	0.038
≥60	48	9 (75.00)	39 (41.49)
<60	58	3 (25.00)	55 (58.15)
Smoking history				5.783	0.016
Yes	24	6 (50.00)	18 (19.15)
No	82	6 (50.00)	76 (80.85)
BMI (kg/m^2)				0.098	0.934
≥24	63	7 (58.33)	56 (59.57)
<24	43	5 (41.67)	38 (40.43)
Tumor location				0.185	0.846
Left	65	7 (58.33)	58 (61.70)
Right	41	5 (41.67)	36 (38.30)
Tumor diameter (cm)				5.589	0.018
≥5	38	8 (66.67)	30 (31.91)
<5	68	4 (33.33)	64 (68.09)
TNM staging				7.763	0.005
≤T2	85	6 (50.00)	79 (84.04)
>T2	21	6 (50.00)	15 (15.96)
Surgical methods				4.025	0.048
RLRN	53	3 (25.00)	50 (53.19)
ORN	53	9 (75.00)	44 (46.81)
Postoperative immunotherapy				5.086	0.024
Yes	74	5 (41.67)	69 (73.40)
No	32	7 (58.33)	25 (26.60)