|
Parasite
|
No. positive by multi-parallel qPCR (%)
|
No. positive by concentration microscopy (%)
|
No. positive by McMaster microscopy (%)
|
DNA concentrations (fg/μL) in stool positive by microscopy, median (range)
|
DNA concentrations (fg/μL) in stool negative by microscopy, median (range)
|
|---|
|
Ascaris lumbricoides
|
56/99 (56.5)
|
53/99 (53.5)
|
47/99 (47.5)
|
1.02 (0.001 – 42.3)
|
0.48 (0.003–10.431)
|
|
Cryptosporidium parvum/hominis
|
0/99 (0)
|
NA
|
NA
|
NA
|
NA
|
|
Ancylostoma duodenale
|
19/99 (19.1)
|
NA
|
NA
|
55.1 (5.87–278.2)a
|
106.9 (26.2–384.2)
|
|
Necator americanus
|
36/99 (36.4)
|
NA
|
NA
|
12.5 (0.024–278.2)a
|
1.59 (0.001–239.5)
|
|
Hookworm*
|
37/99 (37.4)
|
21/99 (21.2)a
|
21/99 (21.2)a
|
NA
|
NA
|
|
Strongyloides stercoralis*
|
21/99 (21.2)
|
3/99 (3.0)
|
NA
|
65.9 (14.7–123.6)
|
0.22 (0.0009–48.6)
|
|
Giardia lamblia*
|
63/99 (63.6)
|
8/99 (8.1)
|
NA
|
5.27 (0.02–1847.4)
|
0.27 (0.007–5697.8)
|
|
Entamoeba histolytica
|
1/99 (1.0)
|
0/99 (0)
|
NA
|
0.003
|
0
|
|
Trichuris trichiura
|
1/99 (1.0)
|
4/99 (4.0)
|
6/99 (6.1)
|
0.001
|
0
|
-
NA Not applicable
- *Indicates statistically significant difference (P < 0.05)
-
aMicroscopy is unable to distinguish between the two hookworm species, A. duodenale and N. americanus
