Table 4. Percutaneous destruction of thoracic tumors.

Variables	Modality	N (%)	Estimate DLP delivered after multiparry adjustment (95% CI) (mGy·cm)	P value
Age	<62	62 (29.7)	619.5 (448.7–855.5)	0.8273
	≥62, <71	72 (34.4)	642.3 (465.5–886.2)
	≥71	75 (35.9)	612.4 (444.6–843.5)
Location	Lung	209 (100.0)	624.6 (457.9–852.1)	–
Gender	Women	84 (40.2)	592.9 (432.6–812.7)	0.1385
	Men	125 (59.8)	658.0 (479.0–903.7)
Technique	Cryotherapy	40 (19.1)	767.9 (541.0–1,090.1)	0.1418
	MWA	9 (4.3)	482.5 (305.2–762.7)
	RFA	160 (76.6)	657.7 (487.7–886.9)

DLP, dose length product; CI, confidence interval; MWA, microwave ablation; RFA, radiofrequency ablation.