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Table 4 Cox regression hazard ratio in the univariate and multivariate analyses for surgery in patients with Crohn’s disease

From: The effect of biological agent on body composition in patients with Crohn’s disease

Variable

Univariable

Multivariable

HR (95% CI)

P-value

HR (95% CI)

P-value

Myopenia

2.759 (0.812–9.375)

0.104

0.739 (0.185–2.948)

0.668

Male sex

8.859 (1.182–66.4)

0.034

17.217 (1.542–192.250)

0.021

Age

0.975 (0.927–1.026)

0.329

  

BMI

0.997 (0.884–1.124)

0.961

  

Age at diagnosis (years)

 A2 (18–40)

Ref

   

 A3 (> 40)

0.963 (0.321–2.893)

0.946

  

Location

 L1(Ileum)

Ref

 

Ref

 

 L2(Colon)

0.697 (0.233–2.087)

0.519

1.279 (0.390–4.194)

0.684

 L3(Ileocolon)

0.338 (0.117–0.979)

0.046

0.464 (0.144–1.494)

0.198

 L4(Upper GI)

0.947 (0.698–1.286)

0.729

  

Behavior

 B1(Inflammatory)

Ref

 

Ref

 

 B2(Stricturing)

2.056 (0.797–7.878)

0.116

1.709 (0.483–6.051)

0.406

 B3(Penetrating)

3.395 (0.956–12.056)

0.059

5.399 (1.311–22.241)

0.020

 P(Perianal disease)

0.482 (0.205–1.136)

0.095

0.396 (0.150–1.047)

0.062

 Disease duration

1.039 (0.960–1.125)

0.344

  

Biologics

 Biologics one

Ref

   

 Biologics 2 or more

1.157 (0.337–3.974)

0.817

  

 Biologics duration

1.003 (0.993–1.014)

0.554

  

Laboratory parameters

 Hemoglobin

0.950 (0.770–1.173)

0.636

  

 Albumin

0.736 (0.355–1.527)

0.411

  

 CRP

0.940 (0.838–1.054)

0.288

  

CT parameter value

 SMA

1.005 (0.992–1.017)

0.466

  

 PMA

1.027 (0.972–1.085)

0.342

  

 SFA

0.991 (0.981–1.001)

0.075

0.963 (0.777–1.193)

0.731

 VFA

0.985 (0.966–1.003)

0.103

0.934 (0.754–1.155)

0.527

 TFA

0.994 (0.987–1.000)

0.053

1.044 (0.844–1.292)

0.693

 IMFA

0.973 (0.935–1.012)

0.166

0.952 (0.767–1.182)

0.656

  1. CRP C-reactive protein, SMA Skeletal muscle area, PMA Psoas muscle area, SFA subcutaneous fat area, VFA Visceral fat area, TFA Total fat area, IMFA Intramuscular fat area, HR Hazard ratio