Variable | TIMI Flow Grade ≤ 1 | TIMI Flow Grade > 1 | ||||||||
---|---|---|---|---|---|---|---|---|---|---|
Grade 0 (n = 64) | Grade 1 (n = 13) | P | Grade 2 (n = 25) | Grade 3 (n = 16) | P | |||||
Initial perfusion defect (% of LV) | 29.1 [20.8; 51.9] | 35.4 [21.7; 52.0] | 0.629 | 20.0 [8.0; 36.1] | 15.4 [9.0; 18.7] | 0.148 | ||||
Final infarct size (% of LV) | 10.9 [6.1; 21.8] | 24.3 [8.5; 26.5] | 0.355 | 8.0 [2.0; 14.3] | 5.0 [1.0; 12.0] | 0.296 | ||||
Absolute salvage (% of LV) | 17.8 [8.5; 27.5] | 15.5 [11.8; 26.9] | 0.944 | 9.0 [5.0; 22.0] | 7.6 [4.1; 13.5] | 0.316 | ||||
Salvage index | 0.60 [0.36; 0.76] | 0.57 [0.43; 0.59] | 0.605 | 0.57 [0.33; 0.71] | 0.62 [0.46; 0.79] | 0.529 |
LV = left ventricle.
Data are medians, with 25th and 75th percentiles in brackets.