TKT and ischemic stroke: Further study by the type of stroke showed that both ischemic stroke (1.582 ± 0.601 versus 1.934 ± 0.284 Eu/mL, P < 0.001) and hemorrhagic stroke patients (1.585 ± 0.751 versus 1.934 ± 0.284 Eu/mL, P < 0.001; Figure 3) had lower TK activity levels than controls.