Table 1. Akaike information criterion for regression models using serotype, SC, and serotype-SC combination as a predictor of resistance, HGT rate, and duration of carriage.

The lowest AIC is indicated in bold.

Trait	Serotype	SC	Serotype-SC
Resistance multiplicity	3224	3163	3191
Carriage duration	13,243	13,220	13,269
HR	4370	4271	4251
GM	88,928	88,960	88,965