Lipoprotein(a) is a risk factor for occurrence of acute myocardial infarction in patients with coronary vasospasm
Kunihisa Miwa, MDa,
Keiko Nakagawa, MDa,
Naohiro Yoshida, MDa,
Yoshiharu Taguchi, MDa and
Hiroshi Inoue, MD, FACCa
a The Second Department of Internal Medicine, Toyama Medical and Pharmaceutical University, Toyama, Japan

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Figure 1 Box plots with the 10th, 25th, 50th, 75th and 90th percentiles. The serum Lp(a) level was significantly higher in the stenosis group than in the Control and Spasm groups. The level was also significantly higher in the Spasm group than in the Control group. Control = control subjects without coronary artery disease. Spasm = patients with coronary spasm but without a significant fixed coronary stenosis. Stenosis = patients with a significant fixed coronary stenosis but without rest angina; m = median.
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Figure 2 Box plots with the 10th, 25th, 50th, 75th and 90th percentiles. The serum Lp(a) level was significantly higher in patients with than in those without a history of previous myocardial infarction among the Spasm group. Spasm = patients with coronary spasm but without a significant fixed coronary stenosis. MI = previous myocardial infarction; m = median.
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Figure 3 Box plots with the 10th, 25th, 50th, 75th and 90th percentiles. The serum Lp(a) level was not significantly different between patients with and without a history of previous myocardial infarction among the Stenosis group. Stenosis = patients with a significant fixed coronary stenosis but without rest angina. MI = previous myocardial infarction; m = median.
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