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ÂÞ¡¡Ñô1 , ¶¡¹úÓ¢2 , ¸®Î°Áé1 , ¹ù²¨ÌÎ3 , ÕÅ¡¡Ñ©1 , »Æ¾ý¸»1
(1. µÚÈý¾üÒ½´óѧÎ÷ÄÏÒ½Ôº, ÖØÇì400038 ; 2. ½ºÄÏÊо¼Ã¼¼Êõ¿ª·¢ÇøÒ½Ôº, ɽ¶«½ºÄÏ266400 ;
3. µÚÈý¾üÒ½´óѧͳ¼Æ½ÌÑÐÊÒ, ÖØÇì400038)
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ÖÐͼ·ÖÀàºÅ: R18113 + 2 ¡¡¡¡ÎÄÏ×±êʶÂë: A ¡¡¡¡ÎÄÕ±àºÅ: 100524529 (2005) 0420390203
Seasonal Time Sequence Analysis Applying for Nosocomial Infection
LUO Yang1 , Ding Guo2ying2 , FU Wei2ling1 , GUO Bo2tao3 , ZHAN G Xue1 , HUAN GJ un2f u1
(1. S out hwest Hos pi t al , 2. De p artment of S t at ist ics ,
t he T hi rd Mi l i t ary Medical Uni versi t y , Chongqi ng 400038 , Chi na)
Abstract : OBJECTIVE To investigate the relationship between bacterial infection number in hospitals and different
seasons. METHODS A seasonal time sequence linear model was applied to establish a model based on the data
obtained f rom the years 1996 to 2002 , then compare the ability of every model to predict data on 2003 and pick out
the best model. RESULTS We got four models at last with the P value < 010001 each , which showed the new
const ructed model was confidential. From predicted result s , the last model was the best one. CONCLUSIONS
Seasonal time sequence analysis can well simulate the relation of infection numbers and seasons. It s st rong
predictable ability can afford an effective tool to forecast the numbers of nosocomial infection.
Key words : Nosocomial infection number ; Seasonal time sequence analysis ; Model
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