Table 3.

Spearman rank correlations between the SVI of meningitis, its related vaccinations, and worldwide number of cases

Variable	Spearman rank coefficient	P-value
Pneumococcal vaccine	0.011	0.895
Influenza vaccine	0.051	0.526
BCG vaccine	0.369	< 0.001*
Meningococcal vaccine	0.183	0.022*
Worldwide number of cases	0.354	0.179

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