Prevalence thiab tshwm sim feem ntau tsis meej pem. Prevalence yog hais txog kev faib ua feem ntawm cov neeg uas muaj tus mob ntawm lossis lub sijhawm tshwj xeeb, qhov xwm txheej yog hais txog kev faib ua feem lossis tus nqi ntawm cov neeg uas muaj tus mob nyob rau lub sijhawm tshwj xeeb.
piv txwv ntawm qhov xwm txheej thiab qhov tshwm sim yog dab tsi?
Qhov xwm txheej sib txawv nrog qhov muaj ntau, uas suav nrog ob qho xwm txheej tshiab thiab tam sim no. Piv txwv li, tus neeg uas tau kuaj pom tshiab mob ntshav qab zibyog qhov xwm txheej, qhov tus neeg mob ntshav qab zib tau 10 xyoo yog kis mob hnyav.
Kuv puas yuav tsum siv qhov xwm txheej lossis qhov tshwm sim?
Qhov sib txawv tseem ceeb los ua, yog li ntawd, nruab nrab ntawm xwm txheej thiab kev nthuav dav yog kev xav txog lub sijhawm - kev nthuav dav sawv cev rau lub xeev tam sim no lossis yav dhau los ntawm cov pejxeem, thaum qhov xwm txheej tso cai rau kev kwv yees. ntawm cov xwm txheej yav tom ntej hauv cov pejxeem.
Kev xwm txheej tshwm sim li cas?
Nyob rau hauv kab mob sib kis, qhov tshwm sim yog ntsuas qhov tshwm sim ntawm qhov tshwm sim ntawm tus mob muab rau hauv cov pej xeem hauv lub sijhawm teem sijhawm. Txawm hais tias qee zaum xoob qhia yooj yim raws li tus naj npawb ntawm cov xwm txheej tshiab nyob rau qee lub sijhawm, nws zoo dua qhia raws li kev faib ua feem lossis tus nqi nrog tus lej.
Koj piav qhia tus nqi li cas?
Lub sij hawm muaj xwm txheej yog hais txog tus nqi ntawm qhov xwm txheej tshiab tshwm sim dhau lub sijhawm teev tseg. Muab qhov yooj yim, qhov tshwm sim yog tus naj npawb ntawm cov neeg mob tshiab nyob rau lub sijhawm (tus lej) raws li qhov feem pua ntawm cov neeg muaj kev pheej hmoo rau tus kab mob (tus denominator).
