title: [Quality analysis of malaria blood smear preparations of febrile patients in Chenzhou Prefecture, 2014].
abstract: OBJECTIVE
  To standardize the malaria smear preparations of febrile patients in Chenzhou Prefecture, Hunan Province, so as to provide the technical support for malaria elimination.
  
  
  METHODS
  According to the Technical Solutions to Eliminate Malaria (2011 edition) , the blood smear preparations of febrile patients from each county, included more than 3% negatives and all positives, were reviewed monthly in 2014. The quality of blood smear manufacture, dyeing, cleanliness and results was reviewed by malaria microscopic examination experts. The data were analyzed with the descriptive epidemiological methods.
  
  
  RESULTS
  Totally 231 blood smears were reviewed in 2014 with a reviewed rate of 6.91%. The blood smear production qualified rate was 80.52%, the dyeing pass rate was 84.42%, the cleanliness pass rate was 86.58%, and there were no false detections and no leak detections. The highest blood smear production qualified rate, dyeing pass rate and cleanliness pass rate were found in Guiyang County and Linwu County, with all the rates of 100% respectively. The lowest blood smear production qualified rate and cleanliness pass rate were found in Yizhang County, with the rates of 52.94 % and 70.59% respectively. The lowest blood smear dyeing pass rate was found in Yongxing County with the rate of 63.64%. There were statistically significant differences between Guiyang County and Yizhang County in the production qualified rates and cleanliness pass rates (χ2 = 18.60, 9.73, both P < 0.01). There was a statistically significant difference between Guiyang County and Yongxing County in the dyeing pass rates (χ2 = 11.43, P < 0.01).
  
  
  CONCLUSIONS
  Through the review of blood smears, the problems will be timely discovered. Therefore, the blood smear quality should improve, which is helpful for achieving the goal of malaria elimination.
authors.forename: Yan-qin
authors.initials: YQ
authors.lastname: Wang
authors.forename: Han-wu
authors.initials: HW
authors.lastname: Zhu
mesh_terms: D002681:China; D019411:Clinical Laboratory Techniques / Q000295:instrumentation / Q000379:methods*; D060740:Disease Eradication / Q000379:methods*; D005335:Fever of Unknown Origin / Q000097:blood* / Q000209:etiology; D006801:Humans; D008288:Malaria / Q000150:complications / Q000175:diagnosis* / Q000517:prevention & control; D008853:Microscopy / Q000379:methods; D015203:Reproducibility of Results; D012680:Sensitivity and Specificity