Table 1.

Body Weight (g) of Animals by Group at Various Times after Surgery

Group	Time
	0 weeks	4 weeks	8 weeks	12 weeks
1 (control)	271 ± 3.6	289 ± 5.7	311 ± 6.0d	332 ± 7.0d
2 (0.8 mg of microspheres)	292 ± 3.7e	299 ± 4.9d	330 ± 6.0d	324 ± 12.9d
3 (0.4 mg of microspheres)	287 ± 4.1b	313 ± 3.6d,e	335 ± 10.2b,d	347 ± 14.8d
4 (0.2 mg of microspheres)	285 ± 4.4	308 ± 8.6b,d	340 ± 13.3a	366 ± 7.6b,c,d
5 (0.1 mg of microspheres)	282 ± 5.2	307 ± 4.9b,d	345 ± 6.0d,e	360 ± 3.8b,d

^a,b,c: P < 0.05 vs. 0 weeks, group 1, and group 3, respectively.

^d,e: P < 0.01 vs. 0 weeks and group 1, respectively.