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Retired NBME 21 Answers

nbme21/Block 3/Question#21 (reveal difficulty score)
A screening program is instituted for ...
10% 🔍 / 📺 / 🌳 / 📖
tags: biostats

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 +20  upvote downvote
submitted by drdoom(1206)
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050,2 ndsttues ... but uoy nidf tuo ginrud ryou tilniia esencr atht 050 lreaayd veah hte esa.sedi ,oS tuosrtkei ethos epplo.e ahtT eveals 020,0 undssett ohw otdn’ heav eht a.eiedss

reOv hte esucro of 1 er,ay uyo cdorseiv 002 seusttnd eedevoldp hte ieco.nnitf usTh:

020 wen cssae / 00,20 epoepl owh dn’tdi aveh hte eeadsis newh ouy rtsedat oyru dsyut = 10 teecpnr

ir,kTyc iktycr BMEN ...

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sympathetikey  A,h I ees. hkaTn !yuo +
niboonsh  Im mda at woh psielm tshi uitnesoq aycltaul is +7
sahusema  cnncedieI si mureaeds form shteo AT KIS.R Poepel wthi hte isedase rea ton drineoescd ot be at .rksi oS 5020 - 050 = 0020 epeopl tr.-kasi Of hsteo ,2000 hntiwi noe ayer 200 oelpevd teh .eessaid So 20/00200 of teh -ikastr lpiuonpota eodvlpe teh .isesaed 02/0002 = 1%0 = cieendicn +3
daddyusmle  fkuc im errdadet +2
skonys  uMts be Fdaoirl Steat ytnUsir.ve...i +
l0ud_minority  thWa fi tyeh gto lhcimaady iagan ohw uolwd hits nachge hte ?mbesrnu +



 +10  upvote downvote
submitted by drdoom(1206)
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tno’D orfget tath endcinice si the umrenb of new assce hiwhc geerem in na aufteefcnd onaitppolu. ecnecinId si rniytg to teg ta teh siuqoent ;gt-& I“n a eigvn e,ary hwo nyma enw eeoplp opveedl siht sad”?iese

nI hreto sdw,or you nonact ucont oeeplp who alayder heav eth eieassd. uYo vhea to lcdeuxe setoh opepel rmof royu tcuclial.nao uYo tawn ot ,onkw goanm all hte eepolp uto rhtee owh OD TNO have het dasseei, how aymn imste isht yrea wsa emsonoe nlw)(ey gnoi?desda

Sdai yliftefnerd sllt,i oyu ’tond awnt to u“o”tdeluo-nbc leeppo who levpeoded teh sseieda rfeobe oyru st.duy As na mosdleigp,eoiti ahtt lwoud ercws up ouyr esesn of owh entfecivi or risnbssaeltim a diasese .si You anwt ot ,oknw orm“f eitm1 ot meit2 hwo yamn enw aescs m”gee?der

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questioneverything  oYu luwod tucno eth aoltt isrk l.poo yladCmiha is not a onhrcci aeiesds os yuo uwdlo rtate ehsto 005 epepol adn heyt doulw nutrre to eth rski ol.po +2
drdoom  tuB ouy uowdl stfir haev to meidrtene htta they EEDRLCA eth ectioinn.f hWat fi uyo evga temh tx nad tnhe tyeh ocem bkca adn ,asy odc" i gto the a"camildyh -- si htsi a wen asce ro ddi the xt ia?lf ue'Yro nisgamsu ti ecadler ubt aebmy it ind.'td ahT'st ywh oyu ntaw ot UXECDLE mfro the rstta oanyen who hitmg draeyla eavh seidaes of st.netire +7



 +3  upvote downvote
submitted by questioneverything(5)
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kO I teg htta fi 500 dylraae ahve teh ieadsse hten hte irks olop si pdrodpe to 2000 esutdsnt tbu het qusetoin fliaclyipsec sasy atht the ttse is oden a aeyr eiarftl... 050 eopelp hda icy,lahdam yuo uwdol eratt hmte. uYo o'tdn cmoebe eimnmu ot damhaycli afert ieoitfcnn so eyht olwud go bkca oint het risk ,oplo ngeanmi eth loop wloud retrnu ot 5200. eTh wsraen sudohl be %8, hsti was a dba tsi.quone

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thepacksurvives  hYa,e ihst asw my iess.u I ogt it gwnro uesecab of -ish-t lltis dtno' dnasnerdtu het cgiol cb you cna egt acmhaldyi iultempl setim +8
hungrybox  FCUK o'eyur ht.rig mDan I dtn'di vene hknit about tha.t sa'Tht gfnucki udbm. I geuss siht si why nooydb egts erfetcp scosre on thsi maxe ol.l ecOn uyo etg mtras hngo,ue het resror ni eth soqtesinu attrs ngptipri oyu .up uLkcy orf me m'I yahsrlitge hnibde tath esgta olma +11
usmile1  ot mkea it evne orme rpyloo ritw,tne it asys ehyt are giodn a rnngiscee gaprorm rfo FIRTS REYA nowem lleocge ttude.ssn oS neo ryea ,eatrl aer ethy loofnligw shti smea rgpou fo stsude,nt ro douwl ethy eb resgnecni teh cnigionm tfsir srye?a +6
dashou19  I tnikh the aesm at rsif,t ubt ftare a dnosce rdea, the stnoueqi semt dias di"onata"ldi 020 nes,ttuds iwhch mesna the stfri 050 nsustdte 'nodt .tcoun +
santal  orubhny@xg oYu rae .me +2
neovanilla  @iesl1mu I swa iinhgknt het actex easm n.gt..hi +1
happyhib_  I aeerg hsit si a trhsa eot;sinuq I was lkei well fi hits is dneo areyly for nwe hrnamfse eht ofoinglwl ayer dlowu be of eth wne csasl (tbu het owrd aiditodaln amed em og iatagsn s.)ith Aslo oyu dcolu seuasm htat yteh wree eretdta nad on ngreol vhae hte .sd.is.eae I dtno iekl it eloyshtn utb know orf cideeinnc heyt twna oyu to nto cunield stoeh whti seadise so i sjut twne tiwh gadmo tuniessoq on ecicnneid to get to 10% +



 +2  upvote downvote
submitted by drdoom(1206)
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oAls nsiedcor tsih artge nseripoicdt form teh Hs’IN SMeH ads:etaba

IIEENNDCC: ehT ubemnr of wen cseas fo a einvg isesead dgrnui a egvni odrpie in a ceeiipdsf ail.pntooup tI loas is eusd for het rate ta wichh new etenvs rcocu ni a fendied tia.onploup It is fdtaeieirtendf rmfo LEECRENPVA, ihcwh sererf ot lla sase,c wne ro ld,o in the uaptlpoion ta a enigv ite.m

i.vtm.no5hpDhemhi=ogr?d904i/cu/su./snrb/t:9l1e

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questioneverything  heT nvaeeerlcp fo ycadihalm in stih gpour ouwld be .0 It is nto a ccirnoh sise.ead +



 +0  upvote downvote
submitted by usmle11a(102)
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s!yu!g

eht eunqsoti oedsnt say that eth 050 ogt e,cdru os it ilwl be 2000 hwo ear at sir.k

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