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Table 3 Predictive model for estimation of five-year cardiovascular risk in women

From: Development and validation of a five-year cardiovascular risk assessment tool for Asian adults aged 75 years and older

Variable

Final model

ß

Hazard ratio (95% CI)

P-value

Baseline survival S0(5) = 0.8746

Age

 75–79

Reference

Reference

–-

 80–84

0.6744

1.96 (1.55,2.48)

 < 0.001

 85–89

1.1921

3.29 (2.28, 4.75)

 < 0.001

 90–94

1.6212

5.05 (2.95, 8.67)

 < 0.001

 ≥ 95

1.6647

5.28 (2.43, 11.47)

 < 0.001

Smoking

0.2878

1.33 (0.95, 1.86)

0.09

Atrial fibrillation

0.3672

1.44 (1.00, 2.08)

0.049

Cancer

−0.3573

0.70 (0.52, 0.93)

0.02

Systemic lupus erythematosus

1.2849

3.61 (1.16, 11.28)

0.03

Dementia

0.3715

1.45 (1.15, 1.83)

0.002

Osteoarthritis

−0.1737

0.84 (0.72, 0.98)

0.03

Oral anticoagulants

0.8964

2.45 (1.43, 4.19)

0.001

Antihypertensive drugs

0.6024

1.83 (1.21, 2.76)

0.004

Age (category)*Antihypertensive drugs

−0.1987

0.82 (0.68, 0.98)

0.03

  1. The CVD risk at 5 years: 1-S(t|X) = 1 – S0(t)exp(βX), where t = 5
  2. Abbreviation: CVD cardiovascular disease