Table 3. Changes in volume according to the type of nodule after treatment with PEI at short-term and long-term follow-up.

		Baseline	Short-term follow-up	Long-term follow-up	p
Cystic (n = 13)	(cm3) (%)*	11.6 ± 11.4	2.6 ± 3.2 74.9 ± 22.2	1.9 ± 2.5 80 ± 23.9	0.001
Predominantly cystic (n = 8)	(cm3) (%)*	11.6 ± 11.1	3.3 ± 4.7 71.0 ± 19.1	2.2 ± 3.6 85.4 ± 14.0	0.012
Predominantly solid (n = 15)	(cm3) (%)*	8.8 ± 8.0	2.9 ± 2.0 59.8 ± 16.2	2.0 ± 1.9 73.5 ± 17.6	< 0.001
Total (n = 36)	(cm3) (%)*	10.4 ± 9.8	2.9 ± 3.1 67.7 ± 19.9	2.0 ± 2.5 78.5 ± 19.5	0.001

PEI: percutaneous ethanol injection. * Percentual of nodular reducing.