Table 4 The univariate and multivariate analyses of predictors for postoperative complications (CD grade ≥II).

From: The Geriatric Nutritional Risk Index predicts postoperative complications and prognosis in elderly patients with colorectal cancer after curative surgery

Variables

Univariate

Multivariate

RR

95%CI

P-value

RR

95%CI

P-value

Age (≥73/<73)

1.518

0.770–2.993

0.228

   

Sex (male/female)

1.233

0.610–2.489

0.560

   

BMI (≥22/<22)

0.880

0.456–1.697

0.702

   

WBC (≥10000/<10000)

3.436

0.609–19.386

0.162

   

CRP (≥1/<1)

2.625

1.086–6.344

0.032*

2.471

0.980–6.231

0.055

Preoperative CEA (≥5/<5)

1.730

0.882–3.396

0.111

   

Preoperative CA19–9 (≥38/<38)

1.544

0.632–3.772

0.340

   

Tumor location (rectum/colon)

2.672

1.345–5.308

0.005*

2.741

1.356–5.539

0.005*

Degree of differentiation (por, pap, muc/tub1, tub2)

1.292

0.420–3.974

0.655

   

Depth of tumor invasion (T3, 4/Tis, T1, 2)

1.758

0.898–3.439

0.100

   

Lymph node metastasis (present/absent)

1.067

0.518–2.199

0.860

   

Lymphatic vessel invasion (present/absent)

1.333

0.661–2.690

0.422

   

Venous invasion (present/absent)

1.794

0.886–3.632

0.105

   

Distant metastasis (present/absent)

0.825

0.100–6.773

0.858

   

GNRI (≤98/>98)

2.232

1.140–4.372

0.019*

2.001

1.002–3.999

0.048*

  1. CD = Clavien-Dindo, RR = risk ratio, CI = confidence interval, BMI = body mass index, WBC = white blood cell, CRP = C-reactive protein, CEA = carcinoembryonic antigen, CA19–9 = carbohydrate antigen 19-9, por = poorly differentiated adenocarcinoma, pap = papillary adenocarcinoma, muc = mucinous adenocarcinoma, tub1 = well differentiated adenocarcinoma, tub2 = moderately differentiated adenocarcinoma, GNRI = geriatric nutritional risk index, Asterisk values indicate P-values < 0.05.
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