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. 2000 Apr;38(4):1592–1598. doi: 10.1128/jcm.38.4.1592-1598.2000

TABLE 3.

Enumeration of parasites on each slide according to fixation method

Specimena No. of the following parasites revealed by the indicated fixation methodb:
E. histolytica
E. coli
I. bütschlii
B. hominis
C. mesnili
PVA EC PS PF PVA EC PS PF PVA EC PS PF PVA EC PS PF PVA EC PS PF
1 + + 0 0 ++ + + ++ ++ ++ + ++ +++ +++ 0 + 0 0 0 +
2 0 + 0 0 ++ + 0 + ++ + + + +++ +++ 0 + 0 0 0 +
3 0 0 0 0 0 0 0 0 0 0 0 0 ++ ++ 0 + 0 0 0 0
4 + 0 0 0 0 + 0 0 + 0 + 0 ++ ++ + + 0 0 0 +
5 0 0 0 0 0 0 0 0 0 0 + 0 +++ ++ ++ +++ 0 0 0 0
6 + 0 0 0 0 0 + 0 +++ 0 + ++ ++ 0 0 +++ 0 0 0 ++
7 0 0 0 + + 0 + 0 0 ++ 0 + +++ 0 +++ ++ 0 0 0 +
8 0 0 0 0 0 0 0 0 0 0 + + +++ + ++ + 0 0 0 0
9 + 0 0 + + + 0 + ++ ++ ++ ++ +++ ++ ++ ++ 0 0 0 +
10 0 0 0 0 0 0 0 + +++ ++ +++ ++ +++ ++ ++ ++ 0 0 0 0
11 0 0 0 0 0 0 0 0 0 ++ + 0 +++ +++ +++ +++ 0 0 0 0
12 0 0 0 0 0 0 0 0 0 0 + + ++ ++ +++ + 0 0 0 0
13 0 0 0 + + 0 0 + +++ ++ ++ + +++ +++ 0 +++ 0 0 0 0
14 0 + 0 + 0 0 0 0 + + + ++ +++ ++ + + 0 0 0 0
15 0 + 0 ++ ++ 0 + ++ + ++ ++ ++ +++ ++ ++ ++ 0 0 0 0
16 0 0 0 + + + 0 + +++ +++ +++ +++ ++ 0 +++ + 0 0 0 0
17 0 0 0 + + 0 0 + 0 0 0 ++ +++ +++ 0 +++ 0 0 0 0
18 0 0 0 + ++ 0 0 0 0 + +++ 0 +++ +++ ++ +++ 0 0 0 0
19 0 0 0 0 0 0 + 0 0 0 0 0 0 0 0 0 0 0 0 0
20 0 0 0 + + + 0 + + + 0 ++ +++ +++ + +++ 0 + 0 ++
21 0 0 0 0 0 0 0 + + ++ + + +++ ++ + +++ +++ 0 0 +
22 0 0 0 0 0 + 0 0 ++ + 0 ++ +++ +++ + ++ +++ ++ + ++
23 0 0 0 0 0 + 0 + + + ++ + ++ +++ ++ +++ 0 + 0 0
24 ++ 0 0 + + + 0 0 + + + + ++ ++ + ++ 0 0 0 0
25 0 0 0 0 + + 0 0 + 0 ++ + +++ ++ ++ ++ 0 0 0 0
26 + + 0 + 0 0 0 + + + + + ++ + +++ ++ 0 0 0 0
27 0 0 0 0 + ++ 0 + 0 + + + ++ ++ ++ ++ ++ + 0 +
28 0 0 0 0 + + 0 + + + 0 + +++ +++ ++ ++ 0 + 0 +
29 0 0 0 0 0 0 0 0 + 0 0 0 ++ ++ ++ ++ + + 0 +
30 0 0 0 + + 0 0 0 0 0 0 0 ++ ++ + + + + 0 0
31 0 0 0 0 + + 0 + 0 0 0 0 +++ +++ + +++ 0 + 0 +
32 + + 0 + 0 + 0 0 0 0 0 0 0 0 0 0 0 0 0 0
a

Specimens 3, 19, and 32 were from humans; other specimens were from nonhuman primates. 

b

0, none; +, 1 or 2 parasites/oil immersion field (OIF); ++, 3 to 9 parasites/OIF; +++, >10 parasites/OIF.