At six months, 46% of patients in the glyceryl trinitrate group were asymptomatic during activities of daily living compared with 24% of patients undergoing rehabilitation alone (P = .007).

• 在第6个月时，硝基甘油组中有46%25的患者享受到无病徵的生活，复健组却只有24%25 (P =.；007)。