Prognostic stratification of patients with vasospastic angina.

Prognostic Stratification of Patients With Vasospastic Angina A Comprehensive Clinical Risk Score Developed by the Japanese Coronary Spasm Association Yusuke Takagi, MD,* Jun Takahashi, MD,* Satoshi Yasuda, MD,y Satoshi Miyata, PHD,* Ryusuke Tsunoda, MD,z Yasuhiro Ogata, MD,z Atsushi Seki, MD,x Tetsuya Sumiyoshi, MD,x Motoyuki Matsui, MD,k Toshikazu Goto, MD,k Yasuhiko Tanabe, MD,{ Shozo Sueda, MD,# Toshiaki Sato, MD,** Satoshi Ogawa, MD,** Norifumi Kubo, MD,yy Shin-ichi Momomura, MD,yy Hisao Ogawa, MD,zz Hiroaki Shimokawa, MD,* for the Japanese Coronary Spasm Association