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Table 1 Patients’ characteristics

From: Skeletal muscle loss in the postoperative acute phase after esophageal cancer surgery as a new prognostic factor

Characteristic Number of patients (%) n = 72  
Age, y, median (IQR) 66 (43 - 83)  
Sex, n (%)  
 Male 65 (90%)  
 Female 7 (10%)  
ASA, n (%)  
 1, 2 65 (90%)  
 ≥ 3 7 (10%)  
Preoperative sarcopeniab, n (%)  
 Sarcopenic 64 (89%)  
 Nonsarcopenic 8 (11%)  
Tumor location, n (%)  
 Ce 4 (6%)  
 Ut 13 (18%)  
 Mt 30 (42%)  
 Lt 23 (32%)  
 Ae 2 (3%)  
Operative procedure, n (%)  
 Open esophagectomy 22 (31%)  
 Thoracoscopic esophagectomy 50 (69%)  
Preoperative therapy, n (%)  
 None 17 (24%)  
 Chemotherapy 54 (75%)  
 Chemoradiotherapy 1 (1%)  
Postoperative therapy (including adjuvant therapy), n (%)  
 No 22 (31%)  
 Yes 50 (69%)  
pStage, n (%)  
  < pStage III 36 (50%)  
 ≥ pStage III 36 (50%)  
TPI (cm2/m2), median (IQR)  
 Preoperative TPI 4.63 (3.74 - 5.77) P = 0.116a
 Postoperative TPI 4.28 (3.62 - 5.28)
  1. TPI total psoas major muscle mass index, pStage pathological stage (UICC 8th), ASA the American Society of Anesthesia physical status, IQR interquartile range, aWilcoxon rank-sum test, bAccording to the definition of Prado [22]