Table 1 Characteristics of studies.

From: Association of uric acid levels with severity of Plasmodium infections: a systematic review and meta-analysis

Characteristics

No. (19 studies)

%

Publication year

 2010–2023

14

73.7

 2000–2009

2

10.5

 Before 2000

3

15.8

Study designs

 Cross-sectional studies

12

63.2

 Cohort study

4

21.1

 Case–control studies

3

15.8

Study areas

 Africa

8

42.1

  Nigeria

5

62.5

  Cameroon

1

12.5

  Ethiopia

1

12.5

  Mali

1

12.5

 Asia

11

57.9

  India

9

81.8

  Turkey

1

9.10

  Thailand

1

9.10

Plasmodium species

 P. falciparum

10

52.6

 P. falciparum, P. vivax

3

15.8

 P. falciparum, P. vivax, mixed infections

2

10.5

 P. vivax

2

10.5

 Not specified

2

10.5

Participants

 Children

6

31.6

 Adults

8

42.1

 All age groups

2

10.5

 Not specified

3

15.8

Methods for Plasmodium detection

 Microscopy

12

63.2

 Microscopy/RDT

4

21.1

 Microscopy/QBC/RDT

1

5.26

 Not specified

2

10.5

Blood sample for UA measurement 

 Serum

8

42.1

 Plasma

8

42.1

 Not specified

3

15.8

  1. UA uric acid, RDT rapid diagnostic test, QBT quantitative buffy coat assay.