National Center for Biotechnology Information NCBI NLM MEDLINE General Surgery humans pubmed abstract nih national institutes of health national library of medicine treatment outcome research support non-u.s. gov't adult female male age factors aged middle aged young adult Surveys and Questionnaires 80 and over follow-up studies Socioeconomic Factors pmid:21287265 doi:10.1007/s10459-011-9278-3 hui-ching weng james f steed wency chen attitude of health personnel emotional intelligence* empathy* health status interviews as topic patient satisfaction* physician-patient relations* physicians / psychology*