Skip to main content

Table 2 Univariate and multivariate Cox regression analyses for overall survival

From: Severe weight loss after minimally invasive oesophagectomy is associated with poor survival in patients with oesophageal cancer at 5 years

Variables Univariate analysis Multivariate analysis
HR 95% CI Pp HR 95% CI p
Age (≥ 75/ < 75) 1.02 0.48–2.19 0.96    
Sex (male/female) 1.20 0.61–2.39 0.59    
pDepth of tumor invasion (pT3-4/T1-2) 1.80 1.08–2.98 0.024a 1.89 1.12–3.17 0.016a
pLymph node metastasis (+/−) 1.37 0.86–2.19 0.17    
Residual tumor (+/−) 1.12 0.52–2.40 0.76    
Preoperative therapy (+/−) 2.03 1.22–3.39 0.0064a 2.11 1.25–3.54 0.0048a
Severe weight loss (+/−) 1.79 1.03–3.14 0.039a 1.82 1.02–3.24 0.039a
Anastomosis leakage (+/−)* 1.54 0.75–3.16 0.22    
Pulmonary complication (+/−)* 1.61 0.61–4.22 0.32a    
Recurrent nerve palsy (+/−)* 1.73 0.46–6.43 0.41    
  1. Data were analyzed using logistic regression analysis
  2. HR hazard ratio, CI confidence interval
  3. *Postoperative morbidities were analyzed according to the Clavien–Dindo classification (3 and 4)
  4. a Statistically significant