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Table 4 Approaches of pfhrp2 gene deletion analysis against the WHO guideline for its investigation

From: Plasmodium falciparum histidine-rich protein 2 and 3 genes deletion in global settings (2010–2021): a systematic review and meta-analysis

Author

Study design

Participants

Sample size

Type of samples

Pf Confirmation

Methods of pfhrp2 gene deletion detection

WHO guideline

Cross sectional

Symptomatic

370

RDT − and Microscopy + or RDT − and Pf-pLDH RDT +

PCR

PCR

Koitaa et al. [16]

Retrospective

Symptomatic

480

HRP2 RDT − and Microscopy +

PCR

PCR

Wurtzb et al. [38]

Cross sectional

Symptomatic

122

HRP2 RDT − and Microscopy +

PCR

PCR

Parra et al. [36]

Cross sectional

Asymptomatic

783

RDT −/PCR +

PCR

PCR

Amoahb et al. [39]

Cross sectional

Healthy children

94

RDT −/PCR +

PCR

PCR

Menegonb et al. [40]

Cross sectional

Symptomatic

144

Microscopy + /PCR +

PCR

PCR

Kozyckib et al. [41]

Cross sectional

Symptomatic

156

RDT − and Microscopy +

PCR

PCR

Beshirb et al. [19]

Cross sectional

Asymptomatic

106

PCR +

PCR

PCR

Guptab et al. [42]

Cross sectional

All population

69

RDT − and Microscopy +

PCR

PCR

Berhanieb et al. [22]

Cross sectional

Symptomatic

50

RDT − and Microscopy +

PCR

PCR

Kobayashib et al. [43]

Retrospective

Asymptomatic

36

RDT − and Microscopy +

PCR

PCR

Funweib et al. [44]

Not specified

Symptomatic

66

RDT − and Microscopy +

PCR

PCR

Iriartb et al. [30]

Cross sectional

Symptomatic

79

RDT −/PCR +

PCR

PCR

Boscob et al. [46]

Cross sectional

Symptomatic

195

RDT −/PCR +

PCR

PCR

Prosserb et al. [47]

Retrospective

Symptomatic

210

PCR +

PCR

PCR

Alemayehub et al. [48]

Cross sectional

Symptomatic

218

PCR +

PCR

PCR

Patia et al. [49]

Cross sectional

Symptomatic

384

RDT −/PCR +

PCR

PCR

Bhartib et al. [50]

Cross sectional

Symptomatic

1521

PCR +

PCR

PCR

Kumarb et al. [17]

Cross sectional

Symptomatic

48

Microscopy +/PCR +

PCR

PCR

Viana et al. [51]

Cross sectional

Symptomatic

223

Microscopy +/PCR +

PCR

PCR

Gamboab et al. [13]

Retrospective

Symptomatic

148

Microscopy +

PCR

PCR

Goesb et al. [52]

Retrospective

Symptomatic

159

Microscopy +/PCR +

PCR

PCR

Akinyib et al. [53]

Retrospective

Symptomatic

188

Microscopy +/PCR +

PCR

PCR

Solanob et al. [12]

Retrospective

Symptomatic

100

Not clear

PCR

PCR

Fontechab et al. [54]

Cross sectional

Symptomatic

128

Microscopy +/PCR +

PCR

PCR

  1. astudies which have followed the WHO pfhrp2 gene deletion analysis protocol
  2. bstudies which did not follow the WHO pfhrp2 gene deletion analysis protocol