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Retired NBME 23 Answers

nbme23/Block 1/Question#13 (reveal difficulty score)
A researcher is asked to prospectively ...
Prevalence: above the standard; Incidence: above the standard 🔍 / 📺 / 🌳 / 📖
tags: prevalence incidence biostats calculation

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 +7  upvote downvote
submitted by aladar50(41)
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oS he’rets 010 ir,ssneted dna hte eanevceprl faret 2 syear si 1=0 at hte ngnnie,gbi 5+ ni het iftrs ,aery 01+ cdenos a,ery dan 3- htta edlah,e ofr a atolt neepelcavr of 22 nstesedir or 02=12022/ ernc.tpe Ths,u crelaenpev = boaev the dsdnarat. For cecd,nneii i’ts 15 nwe sasce uto of 09 ntidessre orev het 2 asery (001 olatt irsdtsene – 01 htat raaeldy ahd u)elcr,s or 15 new culers rpe 108 s.trpetaia⋅nye This dlouw be 38.3 nwe usrlec epr 0100 tiys⋅aeeanrtp if uyo tlodreetxaap it tuo -- yaslclbai 800(/1010) * 15 -- uths, cdencniei = avoeb het dtsdraan.

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zelderonmorningstar  Oayk I feel leik an dtiio eascu I tothug:h bvoAe teh ddrtaaSn = Dogin a godo jbo kepgnie odl elepop orfm gigetnt c.esrul sbTumh pu. woBel eth adadnrtS = I ’tdwlnuo tle ym orwts yneme tino uryo lercu didern lered aubes cksah. +68
aladar50  dro@elnze Ohh nma.d I locud taoltyl ese hwo eon ulocd ievw eth arewsn coesich ttah yaw. I iknth it si nrptoitam ot drae how hyte ear dheprsa - tyeh rae gsnkia fi eht recent si vboea TEH ntraddsa or lebow THE trad.sdna eTh ”sn“drtdaa is na raatrbriy est nto,ip dna teh tusslre fo hte utsyd aer eehrit obvae or eolwb atht uct off. yMbae fi it asw bloaweb“e/ov rd”asnadts htat odulw kwo.r ,olAs ienbg veabo hte ddnrstaa dluoc teiher eb a gdoo tinhg ro abd gi.tnh fI yas yuo were klgnait baotu fnaugqiiyl orf a onoictiemtp dan uyo haev to do 05 hpsu usp in a uietnm, neht eibng d=aogeovbo nda oelwda=b.b In tshi ac,se nvghia oemr urlcse ntha the atdarnds = bda. +4
saynomore  ad@alar nahTk !y!u!o tub owh ddi oyu get the 51 ewn uslcer pre 108 pt⋅iy?tearsena I mena I nerddunsat the 15 ta,rp tub nto hte oecdns rpta ... hence ywh I eedmss shit u,p lol |: +2
aladar50  msroyo@ase acBeuse het dtyus si gokioln at 010 nsrdisete evro a peirod of 2 eys.ar iSecn 10 daeyalr dha the aeesisd at hte rs,tat hwne kligono ta eiencnicd yuo lnyo idlencu teh utscjbes ttah eahv /eht pi/tlenato of npgiveelod het sdeseia, os 09 pttasnie reov 2 .syrea ishT odluw eb 90 saanetptyr⋅ei pre y,rae or a tatol fo 180 atnpee⋅atirsy vroe hte ecuosr of het us.dyt +7
sympathetikey  lzs@tordirennonergma I tuthhog eth same cxtea tih.ng aHd eth ghrti olg,ic utb tenh tujs upt hte rdaacbkws anr.esw +4
kai  I ndwore if ehty cheso sith dgnwiro no eurspop ustj ot fkuc itwh us ro fi tshi wsa cnae.ticdla yM sgseu is e'reths osme vlie otcrdo iligtwrn ihs mutsbh meeowsher hgnktiin uoy ugys aer obewl the ad.satrnd +16
symptomatology  toG ti nmrseedgsw!o pu in anutngdendirs p,inBwto to,s 5/109 is ematwhos 16 ntpeerc dan ireht tndsaedr si 000/105 5 .!.entrepc isth is hwo i wnke htta iicencdan si wya !up +
donttrustmyanswers  inaetstP wthi an relcu rae otn mmienu ot ttigneg new ecsurl t&-g;- uoY hdosul dcnelui all tpantise at isr.k uBt ethier y,wa hte eansrw is eth ames sa ongl as uyo nca erda MNBE e.kasp +
doublethinker  an,Dm ugsse ym rgnaeid cosnerihempon is tno pu" to hte na"srddat of hte EMNB .srwiter hS.m +
prolific_pygophilic  fI uoy otgfor taht ist napiett sarye 51(8/1)0 tno 59)/10( you ltils tge the hirgt nasrew easuecb yeht ear obth oaveb 5% ):. +



 +2  upvote downvote
submitted by keshvi(8)
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i ceutndo bhto eth reevnaclep dan ndeinecic unsgi ntaetpi - r.esay Is ti crocienrt to seu tpeiatn eyasr orf pncaver?ele

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 +2  upvote downvote
submitted by jigyasa(2)
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hyW haev oyu etakn 180 sa intetpa ?ayres 'ntIs tietnpa esyra ccatleauld sa on fo inttesap liltdmuipe by eht brnume of yresa yeht eusrf?f

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underd0g  Yup! 90 spnattie x 2 eaysr = 018 tteainp sraey cendn cieI uscxedle hte 01 attniesp wiht eteinprxig-s lerusc eorefb hte sdtyu eabng 0()9=00011- +1



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