Skip to main content

Table 4 The risk model

From: Development and validation of a tool to assess the risk of QT drug-drug interactions in clinical practice

Risk factors

Score

Age (in years)

 51–75

1

  ≥ 76

2

Female gender

1

Comorbidities

 Cardiac comorbidities

2

 Hypertension

2

 Diabetes Mellitus I and II

1

eGFR ≤50 mL min− 1 (MDRD)

1

Potassium levels

  ≤ 2.5 mmol L− 1

2

 2.6–3.4 mmol L− 1

1

Loop diuretics

2

QTc-prolonging drugs with a known risk of TdP a

1

  1. a Classified according to the CredibleMeds® QT drug lists [13]