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Table 2 Comparison of parasitic density (Plasmodium vivax infection) from thick blood smears prepared on different media according to the microscopists

From: Standardization of blood smears prepared in transparent acetate: an alternative method for the microscopic diagnosis of malaria

Smear support material

 

Microscopist (parasites/cu mm of blood)

A

B

C

Glass slide

Mean

10,260

9,822

8,540

Variance

63,616,000

69,581,045

53,139,333

Standard deviation

7,976

8,342

7,290

Transparent acetate

Mean

10,220

8,436

8,030

Variance

72,177,889

61,607,552

41,633,444

Standard deviation

8,496

7,849

6,452

 

p value*

0.712

0.870

0.991

 

p value**

0.861

0.724

0.855

  1. *F-test (analysis of variance); **Bartlett test for equality of variance.