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. 2016 Jan 27;14:11. doi: 10.1186/s12916-016-0554-1

Fig. 1.

Fig. 1

Determinants of benign nodule growth. Growth was calculated as the increase in volume between the baseline and first follow-up ultrasounds. All analyses were corrected for follow-up time, as well as for age and cystic content, as these factors were associated with growth in univariate analyses