Table 3.

Slope of linear regression (mean extrusion rate) for each group of implanted animals (in cm/week, see Fig. 5A).

Implant type	Slope of linear regression (±95%-confidence limits)
Solid	0.483 ± 0.166†*
Large	0.159 ± 0.033†‡
Small	0.062 ± 0.016†
Nano	0.062 ± 0.017†

^†Significantly different from zero;

^*Significant difference between Solid and other implant groups (p < 0.05);

^‡Significant difference between Large and other implant groups (p < 0.05).