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Table 3 Univariablelogistic analysis of risk factors for perioperative MACCE

From: Machine learning-based model for predicting major adverse cardiovascular and cerebrovascular events in patients aged 65 years and older undergoing noncardiac surgery

Characteristics

OR

CI.2.5.

CI.97.5.

P

Age

1.038

0.998

1.081

0.0682

Age 65–74 years

0.594

0.312

1.096

0.1026

Age 75–84 years

0.984

0.544

1.766

0.9572

Age ≥ 85 years

2.495

1.22

5.041

0.0111

Blood transfusion

1.561

0.872

2.814

0.135

General anesthesia

1.533

0.848

2.824

0.1627

NNIS Class

 0

0.657

0.348

1.206

0.1829

 1

1.678

0.936

3.025

0.0827

 2

4.117

0.883

21.42

0.0692

 3

6.034

0.568

131.225

0.1452

Sinus rhythm

0.49

0.203

1.238

0.1179

Insulin

0.591

0.166

1.652

0.3572

Stroke/TIA

1.276

0.64

2.469

0.4766

Chronic respiratory disease

1.321

0.486

3.273

0.562

CAD

1.857

0.992

3.442

0.0502

Positive exercise test

2.442

0.587

9.532

0.1943

Ischemic chest pain

19.47

5.022

128.512

0.0002

CHF

14.367

4.362

64.898

0.0001

Symptoms of decompensated HF

26.868

4.777

504.118

0.0021

Arrhythmia

3.254

1.552

6.804

0.0016

AF

3.322

1.518

7.26

0.0024

Reduced LVEF

15.893

2.495

307.917

0.0124

VHD

6.824

2.316

22.752

0.0008

ECG with Q waves

1.947

0.869

4.221

0.0958

Myocardial ischemia changes in ECG

1.824

0.958

3.427

0.0633

Nitrate therapy

4.139

1.688

10.369

0.0019

Intraperitoneal surgery

1.66

0.876

3.102

0.1145

Cr > 2.0 mg/dL

6.4

1.633

31.119

0.0103

The amount of transfused blood

1

1

1.001

0.0139

Preoperative heart rate

1.013

1

1.032

0.1921

Postoperative systolic blood pressure

0.987

0.974

1

0.058

Postoperative pluse

1.01

0.991

1.029

0.3109

Intraoperative minimum systolic blood pressure

0.99

0.974

1.005

0.1801

Intraoperative minimum diastolic pressure

0.976

0.951

0.999

0.052

Minimum mean arterial pressure

0.98

0.958

1.001

0.0677

Intraoperative maximum heart rate

1.018

1.003

1.034

0.0195

L

0.693

0.43

1.074

0.1151

ALT

1.004

0.998

1.011

0.2251

ApoA-I

1.001

1

1.002

0.0304

Left atrium diameter

1.069

1.011

1.132

0.0187

Left—ventricle transverse diameter

1.064

1.013

1.118

0.013

Left ventricular dilatation

1.457

0.596

3.342

0.3865

LVEF

0.929

0.887

0.969

0.001

High-risk type of surgery

1.891

1.044

3.424

0.035

Left—ventricle long diameter

1.068

1.025

1.115

0.0021

LVDd

1.029

0.965

1.098

0.381

Posterior wall thickness of left ventric

0.995

0.776

1.276

0.971

IVST

1.093

0.893

1.337

0.3718

Height

1.005

0.972

1.04

0.7513

Weight

0.991

0.967

1.015

0.4555

LVMI

1.004

0.996

1.013

0.3111

Left ventricular mass

1.004

0.997

1.01

0.2773

  1. Abbreviations: NNIS class National Nosocomial Infections Surveillance, TIA Transient ischemic attack, CAD coronary heart disease, CHF Chronic heart failure, AF atrial fibrillation, LVEF Left ventricular ejection fraction, VHD Valvular heart disease, ECG electrocardiogram, Cr creatinine, L Lymphocyte count, ALT glutamic-pyruvic transaminase, LVDd Left ventricular end-diastolic internal diameter, IVST Left ventricular mass index, LVMI Left ventricular mass index