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Table 2 Comparison of patient backgrounds between normal and high IMAC groups

From: Impact of intramuscular adipose tissue content on short- and long-term outcomes of hepatectomy for colorectal liver metastasis: a retrospective analysis

  H group (n = 64) N group (n = 51) P value
Age (years)    
 Median (IQR) 68 (40–85) 65 (27–80) 0.381
Gender, n (%)    
 Male 47 (72) 32 (63) 0.232
 Female 17 (28) 19 (27)  
Serum albumin level (g/dl)    
 Median (IQR) 4.1 (3.3–5.0) 4.1 (3.2–4.9) 0.378
ASA score, n (%)    
 1 20 (31) 12 (24) 0.646
 2 40 (63) 35 (68)  
 3 4 (6) 4 (8)  
PNI    
 Median (IQR) 47.2 (38.7–58.3) 49.4 (35.9–59.2) 0.113
CRP    
 Median (IQR) 0.1 (0.01–7.24) 0.08 (0.01–4.14) 0.504
mGPS, n (%)    
 0 54 (84) 39 (76) 0.373
 1 9 (14) 9 (18)  
 2 1 (2) 3 (6)  
BMI    
 Median (IQR) 21.9 (14.7-30.4) 20.7 (16.1-27.4) 0.030
Primary tumour location, n (%)    
 Colon 44 (69) 33 (65) 0.693
 Rectum 20 (31) 18 (35)  
Tumour location, n (%)    
 Unilobe 30 (47) 19 (27) 0.345
 Bilobe 34 (53) 32 (63)  
Tumour size (mm)    
 Median (IQR) 33.5 (5–120) 27 (7–80) 0.156
Number of tumours    
 Median (IQR) 3 (1–30) 4 (1–12) 0.677
Detection of metastasis, n (%)    
 Synchronous 30 (47) 30 (59) 0.260
 Metachronous 34(53) 21 (41)  
CEA (ng/dl)    
 Median (IQR) 8.3 (1.3–855) 4.3 (1.1–718) 0.504
CA19-9 (mU/l)    
 Median (IQR) 27 (1–2368) 14 (1–984) 0.477
Preoperative chemotherapy, n (%)    
 Yes 41 (64) 30 (59) 0.700
 No 23 (36) 21 (41)  
Postoperative chemotherapy, n (%)    
 Yes 24 (38) 24 (47) 0.302
 No 40 (62) 27 (53)  
Other organ metastasis, n (%)    
 Yes 11 (17) 9 (17) 1.000
Surgical margin, n (%)    
 Yes 12 (18) 9 (18) 1.000
 No 52 (82) 42 (82)  
Surgical procedure, n (%)    
 Major resection 20 (39) 14 (28) 0.686
 Minor resection 44 (61) 37 (72)  
Synchronous resection for primary tumour    
 Yes 4 (8) 5 (8) 0.481
Operation time (min)    
 Median (IQR) 427 (198–783) 432 (229–797) 0.934
Operative blood loss (ml)    
 Median (IQR) 515 (0–2257) 526 (10–1975) 0.934
PMI    
 Median (IQR)    
  Male 6.2 (1.8–10.1) 6.1 (3.8–10.1) 0.892
  Female 4.4 (2.2–10.7) 4.4 (2.3–10.7) 1.000
Post-op complication ≥ C-D grade 2    
 Yes, n (%) 20 (31) 12 (23) 0.407
Post-op complication ≥ C-D grade 3    
 Yes, n (%) 11 (17) 1 (1.9) 0.011
  1. ASA score American Society of Anesthesiologists classification score, BMI body mass index, CA19-9 carbohydrate antigen 19-9, CEA carcinoembryonic antigen, CRP C-reactive protein, IQR interquartile range, mGPS modified Glasgow prognostic score, PMI psoas muscle index, PNI prognostic nutritional index, Post-op postoperative