Table 2 Quality of the included studies.

From: Plasmodium spp. mixed infection leading to severe malaria: a systematic review and meta-analysis

No.

References

Selection

Compatibility

Exposure

Is the case definition adequate?

Representativeness of the cases

Selection of controls

Definition of controls

Ascertainment of exposure

Same method of ascertainment for cases and controls

Non-response rate

1

Chaparro et al.15

*

*

*

*

**

*

*

*

2

Chaparro‑Narváez et al.16

*

*

*

*

**

*

*

*

3

Dayanand et al.17

*

*

*

*

**

*

*

*

4

Devineni et al.18

*

*

  

**

*

*

*

5

Genton et al.19

*

*

*

*

**

*

*

*

6

Hermansyah et al.20

*

*

  

**

*

*

*

7

Kochar et al.21

*

*

*

*

**

*

*

*

8

Kochar et al.22

*

*

*

*

**

*

*

*

9

Laman et al.23

*

*

*

*

**

*

*

*

10

Langford et al.24

*

*

*

*

**

*

*

*

11

Limaye et al.25

*

*

*

*

**

*

*

*

12

Medina-Morales et al.26

*

*

*

*

**

*

*

*

13

Mittal et al.27

*

*

*

*

**

*

*

*

14

Mohapatra et al.28

*

*

*

*

**

*

*

*

15

Nayak et al.29

*

*

*

*

**

*

*

*

16

Punnath et al.30

*

*

*

*

**

*

*

*

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