Prognostic relevance of ventricular arrhythmias in surgical patients with gastrointestinal tumors

Table 1 Risk factors for all-cause mortality among patients with gastrointestinal tumors

Risk factors	Univariable Cox regression		Multivariable Cox regression
	HR (95%CI)	P value	HR (95%CI)	P value
Age as per 1 yr increase	1.088 (1.039-1.140)	< 0.001	1.067 (1.015-1.121)	0.011
Diastolic blood pressure as per 1 mmHg increase	0.954 (0.917-0.993)	0.020	0.935 (0.887-0.985)	0.011
Hemoglobin as per 1 g/L increase	0.980 (0.965-0.995)	0.011
Troponin I > 0.028 as per 1 μg/L increase	6.377 (2.841-14.311)	0.001	6.576 (2.586-16.727)	< 0.001
Carcinoembryonic antigen as per 1 ng/mL increase	1.009 (1.005-1.013)	< 0.001	1.009 (1.004-1.015)	< 0.001
Carbohydrate antigen 125 as per 1 ng/mL increase	1.015 (1.004-1.026)	0.008
LVPW as per 1 mm increase	1.375 (1.112-1.701)	0.003
LDL-C as per 1 mmol/L increase	0.570 (0.328-0.989)	0.046
Tumor stage, TNM 3-4 vs 1-2	3.211 (1.329-7.762)	0.010
Radical operation history as yes vs no	0.295 (0.100-0.868)	0.027
Lee score ≥ 2 as yes vs no	6.201 (1.424-27.003)	0.015
Premature ventricular contractions > 35 as yes vs no	2.764 (1.181-6.468)	0.019
NSVT as yes vs no	1.836 (0.547-6.163)	0.326

CI: Confidence interval; HR: Hazard ratio; LDL-C: Low density lipoprotein cholesterol; LVPW: Left ventricular posterior wall; NSVT: Non-sustained ventricular tachycardia; TNM: Tumor, node, metastasis.