Table 2 Meta-regression results.

From: Evidence of and deaths from malaria and severe pneumonia co-infections in malaria-endemic areas: a systematic review and meta-analysis

Parameters

Malaria among severe pneumonia

Severe pneumonia among malaria

Covariates

P-value

P-value

Publication years (2000–2010 vs 2011–2022)

0.049

0.378

Countries

0.43

Insufficient observations

Study designs

0.017

0.378

Age groups (less than 5 years vs less than or more than 5 years)

0.924

0.603

Diagnostic methods for malaria

0.98

0.721

Diagnostic methods for severe pneumonia

0.162

0.916

Methodology quality

0.096

0.93

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