Table 3 Univariate and multivariate Cox regression associated with the risk of MACE.

From: Prognostic value of myocardial bridging versus non-obstructive CAD: a long-term follow-up study

Parameter

Univariate Cox

Multivariate Cox

HR (95% CI)

P-value

HR (95% CI)

P-value

Age

1.07 (1.05–1.08)

< 0.001

1.06 (1.04–1.07)

< 0.001

Sex (male)

1.60 (1.27–2.03)

< 0.001

1.34 (1.01–1.80)

0.041

Smoke

1.51 (1.17–1.96)

< 0.001

1.28 (0.91–1.79)

0.154

Drink

1.64 (1.21–2.22)

0.001

1.26 (0.88–1.81)

0.219

Hypertension

2.33 (1.83–2.96)

< 0.001

1.59 (1.23–2.05)

< 0.001

Diabetes

1.64 (1.26–2.13)

< 0.001

1.15 (0.87–1.51)

0.321

Depth of MB

No MB

1 (reference)

 

1 (reference)*

 

Superficial MB

1.09 (0.86–1.40)

0.478

1.13 (0.88–1.45)

0.328

Deep MB

0.85 (0.48–1.49)

0.563

0.76 (0.43–1.34)

0.347

Length of MB

No MB

1 (reference)

 

1 (reference)&

 

Short MB

1.05 (0.82–1.34)

0.697

1.08 (0.84–1.40)

0.548

Long MB

1.17 (0.63–2.15)

0.618

1.04 (0.57–1.93)

0.892

Non-obstructive CAD

No CAD

1 (reference)

 

1 (reference)#

 

1-vessel non-obstructive CAD

1.80 (1.33–2.43)

< 0.001

1.22 (0.89–1.66)

0.209

2-vessel non-obstructive CAD

2.75 (1.94–3.90)

< 0.001

1.53 (1.06–2.21)

0.023

3-vessel non-obstructive CAD

4.01 (2.83–5.70)

< 0.001

1.93 (1.32–2.82)

0.001

  1. MB myocardial bridging, CAD coronary artery disease, CI confidence interval, HR Hazard Ratio.
  2. *Model: adjusted by age, sex, smoke, drink, hypertension, diabetes, depth of MB.
  3. &Model: adjusted by age, sex, smoke, drink, hypertension, diabetes, length of MB.
  4. #Model: adjusted by age, sex, smoke, drink, hypertension, diabetes, non-obstructive CAD.
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