Table 2.

Parameters in SPI-I and SPI-II.

Score	SPI-I	SPI-II
Risk factors (points)	Age > 65 years (3) Diabetes mellitus (3) Hypertension (2) Coronary heart disease (1) Distinction between stroke and TIA at baseline event (2)	Age > 70 years (2) Diabetes mellitus (3) Hypertension (1) Coronary heart disease (1) Distinction between stroke and TIA at baseline event (2) Congestive heart failure (3) Prior stroke (3)
Risk groups	Group I: 0–2 points Group II: 3–6 points Group III: 7–11 points	Group I: 0–3 points Group II: 4–7 points Group III: 8–15 points