1.1 Study Designs
․Retrospective Studies
․Prospective Studies
※ Survival Analysis
; Deals with analysis of data that have "time to an event".
※ Survival time
; Time until an event occurs.
※ Event
; a. relapse of a disease
b. death
c. response to a treatment
; Economical,
To obtain answers quickly because the cas
1. Definition of HIV / AIDS
Human immunodeficiency virus (HIV) is a lentivirus (a member of the retrovirus family) that causes acquired immunodeficiency syndrome (AIDS), a condition in humans in which progressive failure of the immune system allows life-threatening opportunistic infections and cancers to thrive. Infection with HIV occurs by the transfer of blood, semen, vaginal fluid, pre-ejac
(1) no effective treatment
(2) lung transplantation
(3) smoking cessation
7) 예후
Factors influencing progression
① cumulative exposure to asbestos
② duration of exposure
③ type of asbestos exposure
3. 탄광부 진폐증 (Coal Worker's Pneumoconiosis)
1) 석탄분진을 흡입하여 발생
2) simple : opacity < 1 cm
51. Celler-Kefauver Antimerger Act : This act, passed in 1950, made it illegal in certain circumstances for a firm to merge with another by purchasing its assets. This strengthened the Clayton Act.
셀러-케파버 반합병법 : 1950년에 통과된 법령으로 특정한 상황에서 한 기업이 다른 기업의 자산을 구매하여 합병 하는 것을 불법으로 만들었다. 이것은
accidents, and life accidents were about 12 million times, the number of calling for patient transport ambulance was about 430,000 times. Moreover, social concern about fire service and diverse needs of society has increased due to serious incidents in recent years. So, fire organizations also have extended the customized services such as moving services for the elderly or the pregnant woman.
생존분석 레포트
에이즈 역학(Epidemiology of AIDS)(영문)
소방서 조직 분석(영문)
