Table 2 Initial area at risk, infarct size and salvage index according to the time-of-day at symptom onset
Parameter | Time-of-day | p-value | |||
|---|---|---|---|---|---|
0–6 h | 6–12 h | 12–18 h | 18–24 h | ||
Initial area at risk (% of the LV) | 23.0 [13.4–39.0] | 24.0 [13.0–43.0] | 25.0 [12.6–43.0] | 22.0 [10.0–37.6] | 0.25 |
Infarct size (% of LV) | 10.0 [3.0–24.7] | 10.0 [3.0–24.0] | 10.0 [3.0–22.0] | 9.0 [3.0–21.0] | 0.87 |
Salvage index | 0.49 [0.19–0.81] | 0.52 [0.27–0.82] | 0.50 [0.25–0.82] | 0.50 [0.24–0.75] | 0.53 |