Table 4 Cox proportional hazards regression analysis of variables associated with the occurrence of MACCE among CAD patients after CABG surgery

Group (Control vs. WIKAP)

0.525

0.250–1.104

0.089

Age (≥ 65 years)

3.058

1.455–6.427

0.003

2.243

1.027–4.897

0.043

Age (≥ 25 kg/m²)

0.907

0.424–1.937

0.801

Male

0.705

0.336–1.483

0.357

Higher education level

0.893

0.425–1.877

0.765

Single/windowed/divorced

1.233

0.564–2.691

0.600

Employed

0.827

0.398–1.718

0.611

Lower annual household income

0.893

0.393–2.081

0.793

Rural

0.920

0.447–1.893

0.820

NYHA classification (III)

2.492

1.200-5.173

0.014

2.763

1.329–5.743

0.006

More lesion vessels

3.224

1.524–6.776

0.002

3.185

1.293–7.846

0.012

Hypertension

3.711

1.517–9.080

0.004

2.431

1.112–5.317

0.026

Hyperlipidemia

0.760

0.366–1.578

0.462

Diabetes

2.820

1.378–5.772

0.005

2.356

1.119–4.961

0.024

Smoker history

2.005

0.939–4.284

0.072

Family history of CAD

1.758

0.782–3.949

0.172

LVEF (< 50%)

1.609

0.775–3.341

0.202