Да, видел уже в Вашем журнале эту ссылку. Там, кстати, неплохо ответили:
Following Richens and colleagues’ example, suppose that 1000 heterosexual men have intercourse an average of four times each during 6 months. Because the effect of the number of patients on the risk of transmission is greatest when condom use is low, assume that condoms are not used at all by these men. If the prevalence of infection among their partners is 25%, the effectiveness of condoms is 90%, and the per-act transmission probability is 0·001, then the risk of infection is 0·0009985 if each man has only one sex partner, and 0·0009996 if each has four different partners. Thus, reducing the number of partners from four to one decreases HIV risk by 0·11%. If instead of limiting partners, the men increased their condom use to just 1% of all acts, then the risk of infection would drop to 0·0009906, a reduction of 0·90%. Indeed, using condoms for only eight of the 4000 sexual episodes (a use rate of 0·2%) would reduce the risk as much as would switching from four partners to one partner.
неееет... попыталась озучить фразу"поздравляю с межденародным днём борьбы со СПИДом", коробит%) можно я Вас лучше с наступающим Новым годом поздравлю или Рождеством? или просто успеха Вам профессионального пожелаю:))))
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timeasmymeasure
no subject
Date: 2004-12-01 09:23 am (UTC)А праздник какой?
no subject
Date: 2004-12-01 10:27 am (UTC)no subject
Date: 2004-12-01 11:28 am (UTC)no subject
Date: 2004-12-01 12:14 pm (UTC)Following Richens and colleagues’
example, suppose that 1000 heterosexual
men have intercourse an average
of four times each during 6 months.
Because the effect of the number of
patients on the risk of transmission is
greatest when condom use is low,
assume that condoms are not used at
all by these men. If the prevalence of
infection among their partners is 25%,
the effectiveness of condoms is 90%,
and the per-act transmission
probability is 0·001, then the risk of
infection is 0·0009985 if each man has
only one sex partner, and 0·0009996 if
each has four different partners. Thus,
reducing the number of partners from
four to one decreases HIV risk by
0·11%. If instead of limiting partners,
the men increased their condom use to
just 1% of all acts, then the risk of
infection would drop to 0·0009906, a
reduction of 0·90%. Indeed, using
condoms for only eight of the 4000
sexual episodes (a use rate of 0·2%)
would reduce the risk as much as
would switching from four partners to
one partner.
:))
Date: 2004-12-01 02:29 pm (UTC)Re: :))
Date: 2004-12-01 02:49 pm (UTC)Спасиб!