Table 1 Characteristics of the study population and infection data (n = 956).

From: Magneto-optical diagnosis of symptomatic malaria in Papua New Guinea

Study population characteristics (n = 956)a

Age (years, median, range)

21 (2–80)

 

Weight (kg, median, range)

46 (9–100)

 

Hemoglobinb (g dL−1,median, range)

9.3 (2.8–16.4)

 

Female (%, n)

59.3 (567)

 

Fever (% with >37.5 °C, n)

16.7 (159)

 

Anemiab (% with Hb < 11.0 g dL−1, n)

81.4 (544)

 

Recent malariac (% proportion, n)

44.9 (429)

 

Rapid diagnostic test (n = 956) % positive (n)

RDT positive

37.1 (355)

 

HRP2

6.3 (60)

 

pLDH

10.3 (98)

 

HRP2 + pLDH

20.6 (197)

 

Light Microscopy (n = 945)

% positive (n)

Parasite density (µL−1, geometric mean, range)

Any infection

33.7 (318)

4005 (16–111,300)

P. falciparum

20.4 (193)

5957 (16–111,300)

P. vivax

11.0 (104)

1637 (16–36,420)

P. falciparum + P.vivax

2.1 (20)

9818 (1015–52,349)

P. malariae

0.1 (1)

4800 (–)

P. f. gametocytes

6.7 (63)

276 (16–6520)

P. v. gametocytes

5.9 (56)

168 (32–1349)

PCR (n = 945)

% positive (n)

18S rRNA copy numberd (µL−1, geometric mean, range)

Any infection

34.3 (324)

3260 (0.5–3.3 × 106)

P. falciparum

20.8 (197)

9196 (4-3.3 × 106)

P. vivax

10.8 (102)

809 (0.5–1.7 × 105)

P. falciparum + P.vivax

2.6 (25)

2797/316 (2–1.3 × 105/2–3.5 × 104)

  1. aBold numbers stand for percentages or medians, while numbers in parentheses indicate ranges or number of patients
  2. bHb/Anemia could only be determined for n = 674 patients
  3. cBased on patient self-reporting
  4. dThe copy number of the 18S rRNA gene target employed in this study is up to 5 per genome.
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