(a)
(b)
(c)
Figure 2: SI improved cardiac function after I/R in ovariectomized rats. (a) Representative echocardiography in each group after 6 h perfusion. (b) Ejection fraction after 6 h perfusion. (c) Fractional shortening after 6 h perfusion. Plots represent the mean ± SEM, = 4–6. Statistical significance: compared with OVS; , compared with CMC.