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Table 1 List and weighting of variables in the Stroke Prognosis Instrument II (SPI-II) and Essen Stroke Risk Score (ESRS)

From: Validation and comparison of the stroke prognosis instrument (SPI-II) and the essen stroke risk score (ESRS) in predicting stroke recurrence in Asian population

Risk factor

Scale

SPI-II

ESRS

Age < 65 years

0

0

Age 65–70 years

0

1

Age 70–75 years

2

1

Age > 75 years

2

2

Hypertension

1

1

Diabetes mellitus

3

1

Smoking

-

1

Prior cerebral infarction or transient ischemic attack (TIA)

3

1

Prior myocardial infarction

1

1

Stroke (not TIA)

2

-

Peripheral arterial disease

-

1

Other cardiovascular diseases

(except atrial fibrillation and myocardial infarction)

1

1

Congestive heart failure

3

-

Total scores

15

9

Low

0–3

0–2

Moderate

4–7

 

High

8–15

3–9

  1. † Refers to prior cerebral infarction but not prior TIA on the SPI-II scale.
  2. ‡ In the SPI-II scales, coronary artery disease was scored with one point. For example, a patient who suffered myocardial infarction before and now is suffering angina will be scored one point by SPI-II scale but two points by ESRS scale.