Fig. 4

Association between age and short and long-term functional independence, delineated by restricted cubic splines. Abbreviations: mRS, modified Rankin Scale. A Association between age and short-term functional independence (defined as a mRS of 0 to 2) within 3 months in Xuesaitong group and placebo group. B Association between age and long-term functional independence within 12 months in Xuesaitong group and placebo group