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Table 11 Reproducibility of the CareStart™ Malaria HRP-2/pLDH (Pf/pan) Combo Test: pan-pLDH line intensities

From: Evaluation of a rapid diagnostic test (CareStart™ Malaria HRP-2/pLDH (Pf/pan) Combo Test) for the diagnosis of malaria in a reference setting

 

Readings pan-pLDH line Observer

Sample and parasite density

Observer 1

Observer 2

Observer 3

P. falciparum

   

85 asexual parasites/μl

N N N N N

N N N N N

N N N N N

90 asexual parasites/μl

F F F F F

F F F F F

N F F F F

180 asexual parasites/μl

F F F F F

F F F F F

F F F F F

200 asexual parasites/μl

W W W W W

W W F W F

F W W F F

244 asexual parasites/μl

N N N N N

N N N N N

N N N N N

465 asexual parasites/μl

F F W W F

F F F F F

F F F F W

720 asexual parasites/μl

W W W W W

W F W W F

W W W W F

4,464 asexual parasites/μl

W W W W W

W W F W W

W W F W W

1,000,000 asexual parasites/μl

S S S S S

S S S S S

S S S S S

P. malariae

   

275 asexual parasites/μl

N N N N N

N N N N N

N N N N N

1,215 asexual parasites/μl

W W W W W

F W F F F

N W F F W

P. ovale

   

468 asexual parasites/μl

N N N N N

N N N N N

N N N N N

1,100 asexual parasites/μl

N N N N N

N N N N N

N N N N N

P. vivax

   

432 asexual parasites/μl

W W W W W

W W W W W

W W W W W

846 asexual parasites/μl

M M M M M

M S W W W

M M W W M

  1. pan-pLDH line intensity of the test performed on five consecutive moments.
  2. Each character represents a distinct test. N = None, F = Faint, W = Weak, M = Medium, S = Strong