AVP and hemorrhagic stroke: Compared with the lowest copeptin level, the risk of hemorrhagic stroke was significantly lower in the two higher tertiles of copeptin level (tertile 2: OR = 0.44, 95% CI: 0.13–1.34; tertile 3: OR = 0.13, 95% CI: 0.22–0.69; Ptrend = 0.011).