Skip to main content

Table 2 Correlations between characteristics and sarcopenia in patients undergoing radical esophagectomy

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

Variable Total cases TPI reduction rate mild group TPI reduction rate severe group P value
Total cases, n (%) 72 (100) 36 (50%) 36 (50%) -
Age at RE (y), median (IQR) 66 (43 - 83) 66 (55 - 83) 66 (44 - 82) 0.9380a
ASA, n (%)     0.6908b
 1, 2 65 (90%) 33 (92%) 32 (89%)  
 ≥ 3 7 (10%) 3 (8%) 4 (11%)  
Preoperative sarcopeniad, n (%)     0.4533b
 Sarcopenic 64 (89%) 33 (92%) 31 (86%)  
 Nonsarcopenic 8 (11%) 3 (8%) 5 (14%)  
Tumor location, n (%)     0.5798c
 Ce/Ut 17 (24%) 10 (28%) 7 (19%)  
 Mt/Lt/Ae 55 (76%) 26 (72%) 29 (81%)  
pStage, n (%)     0.3450b
 < pStage III 36 (50%) 21 (58%) 15 (42%)  
 ≥ pStage III 36 (50%) 15 (42%) 21 (58%)  
Preoperative therapy, n (%)     0.5675c
 None 17 (24%) 8 (22%) 9 (25%)  
 Chemotherapy 54 (75%) 28 (78%) 26 (72%)  
 Chemoradiotherapy 1 (1%) 0 (0%) 1 (3%)  
Postoperative therapy, n (%)     0.5675c
 None 17 (24%) 8 (22%) 9 (25%)  
 Chemotherapy 51 (75%) 28 (78%) 26 (72%)  
 Chemoradiotherapy 1 (1%) 0 (0%) 1 (3%)  
Operative procedure, n (%)     0.0407b
 Open esophagectomy 22 (31%) 7 (19%) 15 (42%)  
 Thoracoscopic esophagectomy 50 (69%) 29 (81%) 21 (58%)  
 Blood loss (ml), median (IQR) 330 (150 - 510) 230 (110 - 405) 370 (255 - 723.75) 0.0087a
 Operative time (min), median (IQR) 616.5 (553.5 - 698) 622 (540.75 - 728.5) 610.5 (559.25 - 676.5) 0.4885a
  1. TPI total psoas major muscle mass index, RE radical esophagectomy, IQR interquartile range, ASA the American Society of Anesthesia physical status, pStage pathological stage (UICC 8th), aWilcoxon rank-sum test, bFisher’s exact test, cChi-square test, dAccording to the definition of Prado [22]