Table 2.
Results of each series of measurement of low parasitaemia slides prepared according to Lambaréné or WHO method before transformation (in parasites/μL) and after square root transformation
| Method: Lambaréné |
Slide ID |
|||||
|---|---|---|---|---|---|---|
| LOD-L-21 | LOD-L-16 | LOD-L-20 | LOD-L-17 | LOD-L-18 | LOD-L-12 | |
| Non transformed |
|
|
|
|
|
|
| Mean |
105 |
77 |
63 |
45 |
26 |
8 |
| Median |
90 |
63 |
52 |
35 |
22 |
0 |
| σ |
60 |
59 |
27 |
34 |
20 |
11 |
| Transformed |
|
|
|
|
|
|
| Mean |
9.9 |
8.1 |
7.8 |
6.2 |
4.5 |
1.9 |
| Median |
9.5 |
7.9 |
7.2 |
5.9 |
4.7 |
0 |
| σ |
2.75 |
3.52 |
1.57 |
2.59 |
2.45 |
2.19 |
|
Method: WHO |
Slide ID |
|||||
| |
LOD-W-21 |
LOD-W-18 |
LOD-W-19 |
LOD-W-20 |
LOD-W-17-4 |
LOD-W-17-1 |
| Non transformed |
|
|
|
|
|
|
| Mean |
116 |
45 |
102 |
65 |
35 |
27 |
| Median |
112 |
47 |
84 |
66 |
31 |
15 |
| σ |
35 |
41 |
56 |
40 |
36 |
43 |
| Transformed |
|
|
|
|
|
|
| Mean |
10.6 |
5.3 |
9.7 |
7.5 |
4.5 |
3.5 |
| Median |
10.6 |
6.8 |
9.2 |
8.1 |
5.5 |
3.8 |
| σ | 1.73 | 4.11 | 2.87 | 2.94 | 3.87 | 3.83 |
Each slide was read 5 times by 6 different microscopists.