TABLE 1.
Clinical and Imaging Characteristics of the 2 Populations
Characteristics | Original (RANTTAS Data), n = 229 | Validation (NINDS Data), n = 199 |
---|---|---|
Age (median, IQ range) | 70 (61–77) | 67 (59–74) |
Sex (M, %) | 56 | 59 |
Race, % | ||
White | 83 | 63 |
Black | 13 | 29 |
NIHSS (median, IQ range) | 10 (5–16) | 15 (10–20) |
CT volume, cm3 (median, IQ range) | 9 (0–65) | 28 (6–104) |
Excellent outcomes, % | ||
NIHSS | 43 | 20 |
BI | 56 | 39 |
GOS | 48 | 31 |
Devastating outcomes, % | ||
NIHSS | 15 | 24 |
BI | 29 | 42 |
GOS | 32 | 46 |
IQ indicates interquartile.