9. The following table describes trends in prevalence and incidence of chronic invariably fatal disease from...
9. The following table describes trends in prevalence and incidence of chronic invariably fatal disease from 2093 to 2013, Which of the following describes the above trends? a. The case fatality rate from Disease Z is increasing b. The duration of Disease Z is becoming shorter c. The duration of Disease Z is becoming longer d. Both A and B may be correct e. None of the above Prevalence and Incidence of Rates of Disease Z Among U.S. Adults 25-44 Years Old Year 1987 1988 1989 1990 1991 1992 52.1 Incidence(per 100,000) Prevalence(per 100,000) 56.2 0.9484 53.3 57.1 o S0343 51.7 58.9 085739 50.5 60.3 0.864013 63.1 0.8019017 50.6 64.0 0.864 86 55.3 68.3 0.7096339 51.2 72.4 0,74033) 53.6 74.2 672806) 49.9 77.9 0082927 53.2 81.4 0.640040 52.1 82.3 0.64894) 53.4 1993 1994 1995 1996 1997 1998