Time interval | Disease positive N=194 | Disease negative N=2218 | p Value | ||
---|---|---|---|---|---|
Median time (hours) | IQR (hours) | Median time (hours) | IQR (hours) | ||
Headache onset to CT | 6.4 | 3.5–27.1 | 12.6 | 5.5–48.0 | <0.001 |
Headache onset to registration | 4.5 | 1.7–22.7 | 9.6 | 2.8–46.0 | <0.001 |
Registration to CT | 1.9 | 1.2–2.8 | 2.5 | 1.5–3.9 | <0.001 |