Cystic fibrosis carriership and tuberculosis: hints toward an evolutionary selective advantage based on data from the Brazilian territory

Table 1 Multivariate statistical analysis on the municipality level

Variable [unit]	Estimate	Standard Error	Probability > \|t\|
Intercept	2•3219	1•2420	0•06
Log (TB incidence rates) [Annual number of new TB cases/100,000 inhabitants]	−0•2091	0•0843	^a 0•0141
Average income [Per capita Brazilian Real/Month]	−0•0002	0•0002	0•15
Population density [Inhabitants/km²]	−0•0001	0•0000	^b < 0•0001
Literacy rates [% of population]	−0•0156	0•0149	0•21
Share of Caucasians [% of population]	0•0050	0•0029	0•08
No sanitary provisions [% of population]	0•0767	0•0355	^a 0•0323
AIDS incidence rates [Incidence/100,000 inhabitants]	0•0023	0•0032	0•48

Results of the multivariate analysis of the correlation between CF carriership rates (number of CF carriers per 100,000 inhabitants) and TB incidence (annual number of new TB cases per 100,000 inhabitants) correcting for six potential confounders
^aindicates significant findings at the 0•05 significance level
^bindicates significant findings at the 0•001 significance level

ISSN: 1471-2334