Table 1.

Characteristics of the groups

	Non-XRT n=1,486	TE-XRT n=94	Implant-XRT n=210	p	p*
Age	47.8 (±9.6)	46.1 (±10.6)	46.3 (±8.9)	NS	NS
Body mass index	24.6 (±4.8)	26.3 (±5.6)	25.3 (±5.0)	<0.01	NS
Implant type (%)				0.01	<0.01
Saline	531 (37.2)	31 (38.8)	98 (47.1)
Silicone	896 (62.8)	49 (61.2)	110 (52.8)
Comorbidities	187 (12.5)	11 (12.9)	26 (12.6)	NS	NS
Laterality (%)				<0.01	0.02
Unilateral	39.0	57.0	71.6
Bilateral	61.0	43.0	28.4
Mean follow up time (months)	45.6	30.1	40.3	<0.01	<0.01
Range	0.3-133	0.5-118	1.6-113
Mean interval between TE insertion and exchange to implant (months)	6.1	13.2	6.2	<0.01	<0.01

^*between TE and implant radiation