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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