Impact of the preoperative prognostic nutritional index as a predictor for postoperative complications after resection of locally recurrent rectal cancer

Table 5 Univariate analysis of clinical characteristics associated with severe postoperative complications (CD ≥ III)

Factors	Category	No. of patients	Incidence of severe complications (%)	OR (95% CI)	p value
Sex	Male	57	31.6%	0.105 (0.220–1.153)	0.105
Sex	Female	42	47.6%	0.105 (0.220–1.153)	0.105
Age, y	< 61	47	40.4%	1.179 (0.523–2.665)	0.691
Age, y	≥ 61	52	36.5%	1.179 (0.523–2.665)	0.691
BMI, kg/m²	< 22.2	47	44.7%	1.663 (0.738–3.800)	0.583
BMI, kg/m²	≥ 22.2	52	32.7%	1.663 (0.738–3.800)	0.583
PNI	< 44.2	60	50.0%	3.875 (1.586–10.311)	0.003
PNI	≥ 44.2	39	20.5%	3.875 (1.586–10.311)	0.003
Surgical approach	Laparotomy	79	41.8%	2.152 (0.750–7.146)	0.159
Surgical approach	Laparoscopic	20	25.0%	2.152 (0.750–7.146)	0.159
Operative time, min	< 680	49	30.6%	0.518 (0.224–1.171)	0.114
Operative time, min	≥ 680	50	46.0%	0.518 (0.224–1.171)	0.114
Blood loss, ml	< 2850	49	24.5%	0.299 (0.124–0.692)	0.005
Blood loss, ml	≥ 2850	50	52.0%	0.299 (0.124–0.692)	0.005
Sacrectomy	Yes	40	50.0%	2.278 (0.997–5.296)	0.051
Sacrectomy	No	59	30.5%	2.278 (0.997–5.296)	0.051

CD Clavien-Dindo classification, OR odds ratio, CI confidence interval, BMI body mass index, PNI prognostic nutritional index

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