Evaluation of the prognostic nutritional index for the prognosis of Chinese patients with high/extremely high-risk prostate cancer after radical prostatectomy

Table 3 Cox proportional hazards regression model of influencing factors of biological recurrence in patients

	Parameter estimation	Standard error	HR (95%CI)	P value
PNI, 0: > 46.23; 1: ≤ 46.23	0.61	0.27	1.74 (1.03-2.85)	0.003
Age, 0: ≤ 65; 1: > 65	0.27	0.16	1.31 (0.95-1.80)	0.102
Chronic disease, 0: Nil; 1: Find	0.35	0.22	1.41 (0.92-2.18)	0.120
Margin status, 0: Feminine; 1: Positivity	0.71	0.28	2.14 (1.22-3.62)	0.001
Envelope violations, 0: No; 1: Yes	0.17	0.10	1.08 (0.88-1.32)	0.473
Nerve invasion, 0: No; 1: Yes	0.44	0.31	1.59 (0.86-2.96)	0.147
Postoperative adjuvant therapy, 0: Nil; 1: Find	-0.11	0.18	0.90 (0.63-1.28)	0.548

CI: Confidence interval; HR: Hazard ratio; PNI: Prognostic nutritional index.