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Table 2 Univariate and multivariate logistic regression analysis of low muscle mass associated factors

From: Low muscle mass and Charlson comorbidity index are risk factors for short-term postoperative prognosis of elderly patients with gastrointestinal tumor: a cross-sectional study

Variable Univariate analysis Multivariate analysis
OR 95%CI p Value OR 95%CI p Value
Sexa 0.6 0.3–1.1 0.084    
Ageb 3.2 1.8–5.8 <0.001 3.0 1.6–5.7 0.001
Cancer sitec 0.6 0.3–1.1 0.078    
BMId 3.3 1.3–8.0 0.009 3.4 1.3–8.6 0.011
BMId* 0.2 0.1–0.4 <0.001 0.2 0.1–0.4 <0.001
Charlson comorbidity indexe 1.5 0.8–2.7 0.207    
History of alcoholf 1.7 0.8–3.1 0.086    
History of tobaccog 1.5 0.8–2.8 0.252    
History of abdominal surgeryh 2.2 1.2–4.1 0.010 2.6 1.3–5.3 0.007
Leukocytei 1.4 0.8–2.4 0.254    
Hemoglobinj 2.1 1.2–3.7 0.009    
Albumink 1.7 0.9–2.9 0.075    
NLRl 0.7 0.4–1.2 0.159    
Cancer stagem 1.1 0.8–1.5 0.470    
Histologic typen 1 0.6–1.7 0.860    
SFIo 0.4 0.3–0.8 0.005    
VFIp 2.9 1.6–5.3 <0.001    
VSRq 1.0 0.6–1.7 0.985    
  1. OR odds ratio, CI confidence interval, BMI body mass index, NLR neutrophil to lymphocyte ratio, SMI skeletal muscle index, SFI subcutaneous fat index, VFI visceral fat index, VSR visceral to subcutaneous ratio of fat area
  2. afemale as reference
  3. bage ≤ 75 as reference
  4. ccolorectal cancer as reference
  5. dBMI<18.5 kg/m2 vs 18.5 kg/m2 ≤ BMI ≤ 24 kg/m2
  6. d*BMI>24 kg/m2 vs 18.5 kg/m2 ≤ BMI ≤ 24 kg/m2
  7. eCharlson comorbidity index≤4 as reference
  8. fno history of alcohol as reference
  9. gno history of tobacco as reference
  10. hno history of abdominal surgery as reference
  11. ileukocyte ≥ 5.7 × 10^9/L as reference
  12. jhemoglobin ≥ 126.5 g/L as reference
  13. kalbumin ≥ 42.1 g/L as reference
  14. lNLR ≥ 2.4 as reference
  15. mstageII and stageIII vs stageI
  16. nmoderately and well differentiated vs poorly differentiated
  17. oSFI ≤ 37.6 cm2/m2 as reference
  18. pVFI ≤ 49.4 cm2/m2 as reference
  19. qVSR ≤ 1.45 as reference