Low preoperative skeletal muscle index increases the risk of mortality among resectable pancreatic cancer patients: A retrospective study

doi:10.4240/wjgs.v14.i12.1350

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World Journal of Gastrointestinal Surgery

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1948-9366

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Baishideng Publishing Group Inc, 7041 Koll Center Parkway, Suite 160, Pleasanton, CA 94566, USA

Retrospective Study

World J Gastrointest Surg. Dec 27, 2022; 14(12): 1350-1362
Published online Dec 27, 2022. doi: 10.4240/wjgs.v14.i12.1350

Table 3 Univariate and multivariate analysis of risk factors for recurrence-free survival following pancreatic cancer resection

Factor	Univariate analysis	P value	Multivariate analysis	P value
Factor	HR (95%CI)	P value	HR (95%CI)	P value
Age > 65 yr	1.661 (0.905-3.051)	0.102
Male sex	0.631 (0.382-1.041)	0.071
BMI < 20.0 underweight	1.216 (0.660-2.240)	0.530
BMI ≥ 25.0 obesity	1.823 (0.969-3.430)	0.062
Albumin < 3.8 g/dL	0.871 (0455-1.668)	0.677
Low SMI	1.784 (1.083-2.939)	0.023^a	1.907 (1.147-3.171)	0.013^a
Low SMD	1.567 (0.885-2.773)	0.123
Tumor location, head	1.327 (0.795-2.215)	0.278
Tumor size > 2 cm	1.611 (0.767-3.382)	0.208
Differentiation poor	0.978 (0.238-4.022)	0.976
Nodal metastases	1.897 (1.134-3.174)	0.015^a	1.922 (1.129-3.272)	0.016^a
Perineural invasion	1.886 (0.841-4.231)	0.124
R1 Resection	1.593 (0.754-3.365)	0.222
TNM stage III	1.703 (0.833-3.483)	0.144
Adjuvant therapy	0.866 (0.479-1.567)	0.635
CA19-9 in Ku/L > 200	1.439 (0.855-2.421)	0.170
NLR > 2.6	1.071 (0.648-1.769)	0.789
PLR > 108	1.612 (0.955-2.722)	0.074
SIII > 400	1.827 (1.097-3.043)	0.021^a	1.655 (0.984-2.785)	0.058
Platelets > 310 × 10⁹	1.245 (0.533-2.910)	0.613

^aP < 0.05.

HR: Hazard ratio; BMI: Body mass index; CA19-9: Carbohydrate antigen 19-9; NLR: Neutrophil-lymphocyte ratio; PLR: Platelet-to-lymphocyte ratio; SIII: Systemic immune-inflammation index; SMI: Skeletal muscle index; SMD: Skeletal muscle radiodensity; CI: Confidence interval.

Citation: Cai ZW, Li JL, Liu M, Wang HW, Jiang CY. Low preoperative skeletal muscle index increases the risk of mortality among resectable pancreatic cancer patients: A retrospective study. World J Gastrointest Surg 2022; 14(12): 1350-1362
URL: https://www.wjgnet.com/1948-9366/full/v14/i12/1350.htm
DOI: https://dx.doi.org/10.4240/wjgs.v14.i12.1350