Endothelial Risk Score (ERS)

Calculator incorporating periodontitis burden (PISA)

Disclaimer: Informational only; not medical advice.

Age (years)

Scoring: age > 50 → 2 pts.

Sex

Scoring: Male = 1 point, Female = 0 points.

Systolic BP (mmHg)

Scoring: 120–139 → 1 pt, ≥140 → 2 pts.

Diastolic BP (mmHg) (recorded only)

Captured for completeness; not scored.

PISA (mm²)

Periodontal Inflamed Surface Area. Points: PISA/500 (max 10 pts).

CRP (mg/L)

Points: <1 → 0, 1–3 → 1, >3–5 → 2, >5–10 → 3, >10 → 5.

ADMA (µmol/L) (optional)

Optional: ADMA ≥ 0.5 adds 1 point.

Diabetes diagnosis

Scoring: diagnosis present → 2 pts.

HbA1c (%) (recorded only)

Recorded for context; not scored.

Smoking

Pack-years auto-calculated. If cigarettes/day = 0, years is treated as 0.

Pack-years: 0.0