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Table 1 Risk scoring systems of the SITS SICH risk score and the extended risk score

From: Oxfordshire community stroke project classification improves prediction of post-thrombolysis symptomatic intracerebral hemorrhage

 

No. of points

Risk factor

SITS SICH risk score

Extended risk score

Aspirin + clopidogrel

3

3

Aspirin monotherapy

2

2

NIHSS ≥13

2

2

NIHSS 7-12

1

1

Blood glucose ≥180 mg/dL

2

2

Age ≥72 y

1

1

Systolic blood pressure ≥146 mm Hg

1

1

Weight ≥95 kg

1

1

Onset-to-treatment time ≥180 min

1

1

History of hypertension

1

1

Total anterior circulation infarct

N/A

3

Maximal total points

12

15*

  1. N/A indicates not applicable; SICH: symptomatic intracerebral hemorrhage; SITS: the Safe Implementation of Thrombolysis in Stroke.
  2. *Patients with posterior circulation infarcts were assigned an extended risk score of zero, irrespective of their original SITS SICH risk scores.