Ixabiso elifanelekileyo lokuqikelela (PPV) likuxelela ukuba kunokwenzeka njani ukuba unesi sifo xa uvavanya ulungile kuyo. Kuchazwe njengenani leenqobo zepropati (abantu abavavanyayo abanesifo) bahlulwe inani labantu abavavanya kakuhle. Ihlukahluka ngovavanyo lokuvavanya, uvavanyo lweemvavanyo, kunye nokusabalalisa izifo.
Uyabona ukuba le micimbi yatshintsha njani iPVV yovavanyo kumzekelo ongezantsi. I-PPV yinto enzima ukuba oogqirha baqikelele, ezinokuba nzima kwizigulane. Nangona kunjalo, kuxhomekeke kakhulu kwiimeko eziphezulu kwizifo apho zisebenza khona. Ukwazi uvelwano kunye nesimo esithile akuvumelekile ukuxelela oko i-PPV. Kwakhona kufuneka ube negalelo elifanelekileyo lokuba isifo sifana kangakanani na ukuba uvavanya.
U mzekelo
Cinga ukuba uvavanyo lwe-chlamydia lunamava angu-80% kunye ne-80% ecacileyo. Kwiminyaka eyi-100 kunye ne-chlamydia ye-10%:
8/10 iziphumo ezinyanisekileyo ziya kuvivinya
Imilinganiselo engama-72/90 yonyani iya kuhlolwa
Kwimivavanyo emihle engama-26, 8 inyanisekileyo. 18 bangamanga . Ngako oko ixabiso elilungileyo lokuqikelela (PPV) liza kuba yi-31% (8/26). Ingxenye yesithathu yabantu abavavanyayo bayeza kuba ne-chlamydia.
Ngakolunye uhlangothi, ukuba ukusabalalisa kwe-chlamydia bekuyi-30%:
24/30 iziphumo ezinyanisekileyo ziza kuvavanya
56/70 ukunganyaniseki okwenyaniso kuya kuhlolwa kakubi.
Kule meko, i-PPV iya kuba ngu-24/38 = 63%. Iingxenye ezimbini kwisithathu zokuvavanywa kwabantu ziza kuba neempembelelo ezichanekileyo zokuvavanya.
Kuthiwani malunga novavanyo oluyi-80% yengqondo. kunye nama-95%. kuma 20%?
Ukunyaniseka kwe-16/20 kuya kuhlola +
76/80 yinyaniso - iya kuhlola -
Kwaye i-PPV iya kuba ngu-16/20 = 80%
Izinto eziKongeza iPPV
Ukwandisa ipesenti yeempembelelo zinyani kunye novavanyo lwePVV lifuna enye okanye zombini izinto ezimbini. Uvavanyo lungaba nolwazi oluphezulu. Uninzi lwabantu abangenayo i-chlamydia luya kuvavanya. Emva koko, bekuza kubakho amathandathu amathandathu amanga. Enye into eyenza uvavanyo lwePVV luphakame kakhulu.
Ipesenti enkulu yabantu abanesifo, iphakamileyo iPVV.
Kwiimeko ezininzi, wonke umntu unokukhetha ukunyuka nje ukunyuka kweemvavanyo. Ukuba nabantu abaninzi begule nje ukuphucula ukusebenza kovavanyo lokuxilonga ngandlela-thile.