Methods Self-rating anxiety scale (SAS), self-rating depression scale (SDS) and type A behavior were employed to investigate the 56 cases of coronary heart disease patients.

• 方法采用焦虑自评量表(SAS)、抑郁自评量表(SDS)和A型行为问卷,对56例住院冠心病不稳定心绞痛患者进行调查。