Three-dimensional verification of 125I seed stability after permanent implantation in the parotid gland and periparotid region

Table 2 Seed stability index

Time	Minimum bounding box volume (cm³)	P	Inter-seed distance (mm)	P
1^a	119.17±46.44	-	19.20±3.00	-
2	103.09±38.73	0.007^*	17.96±2.82	0.008^*
3	98.51±36.27	0.017^*	17.47±2.96	0.183
4	95.34±35.85	0.295	17.27±3.02	1.000

Time 1 = day 1 post-implantation; 2 = 2 months post-implantation; 3 = 6 months post-implantation; and 4 = 12 months post-implantation. ^aChanges for time points 2 – 4 were assessed against their former time point
^*Statistically significant (P≤0.05)

ISSN: 1748-717X