Table 4.

Simulated workflow times for individual components of each model’s pathway

Model AModel BModel C
Waiting time for AST WH7.0 (2.8–13.8)7.1 (3–13.6)7.4 (3.3–14.4)
AST assessment time WH10.6 (4.7–16.5)11.3 (5.7–16.9)9.8 (5.2–16.4)
CT and CTA completion time WH22.0 (20.3–23.3)21.9 (20.6–23.2)21.9 (20.6–23.3)
Radiologist reporting time WH5.4 (4.9–5.9)5.5 (5.0–6.0)5.4 (4.9–6.0)
NSC referral time WH9.5 (8.3–10.8)3.4 (2.8–4.2)3.5 (2.8–4.3)
NSC decision time WH9.8 (4.7–15.9)11.1 (5.6–16.4)10 (5.3–15.6)
Ambulance arrival time WH23.4 (21.9–24.9)23.6 (21.8–25.1)18.0 (16.6–19.3)
Travel time to NSC WH51.9 (49.7–53.9)51.5(49.3–53.5)51.9 (49.7–53.8)
Waiting time for doctor OOH14. 3 (6–28.9)13.3 (6.1–27.2)14.5 (6.8–25)
Doctor assessment time OOH21.7 (11.5–33.4)20.2 (10.1–32.1)19.5 (7.9–30.9)
CTA decision OOH15.0 (12.6–17.5)14.9 (12.5–17.3)14.9 (12.6–17.5)
CT and CTA completion time OOH24.1 (22.2–26.3)24.2 (22–26.6)24.1 (22.2–26.4)
CT/CTA interpretation OOH15.9 (7.93–25.6)By network consultantBy network consultant
Network consultant advice OOH10 (8.02–12.1)9.7 (7.9–11.6)9.8 (7.9–12)
NSC referral time OOH9.5 (8.2–10.7)3.5 (2.6–4.2)3.4 (2.8–4.3)
NSC decision time OOH10.8 (4.7–16.2)10.2 (5.8–16.4)9.8 (4.9–16.6)
Ambulance arrival time OOH23.3 (21.7–24.9)23.6 (22–25.2)17.9 (16.9–19.3)
Travel time to NSC OOH51.4 (49.3–53.6)51.3 (49.5–53.2)51.7(49.7–54.0)
  • Time in minutes, median (IQR). AST = acute stroke team; CT = computed tomography; CTA = computed tomography angiography; IQR = interquartile range; MT = mechanical thrombectomy; NIHSS = National Institutes of Health Stroke Scale; OOH = out of hours; NSC = neuroscience centre; SD = standard deviation; WH = within hours.