Duits, A.A.

surgery patient depression anxiety study model variable postoperative outcome artery preoperative quality factor relationship chapter women heart surgery heart postoperative period period feeling effect fatigue score graft surgery neuroticism result group difference problem assessment complaint gender publishers group process disability health psychol support level month recovery graft walter pj analysis background factors artery surgery depression scale measure personality hospital state scale status research sample predictor baseline questionnaire follow-up interindividual differences intervention point prediction variation table approach structure testing postoperatively hospital anxiety control equation preoperative anxiety study sample .00 disease modelling symptom dordrecht