Table 2.  Comparison of Cell Density (cells/100 μm2), Thickness of Fibrocartilage Zone (TFZone, μm) and Proteoglycan Area (PArea, μm2/200 μm2) at the Osteotendinous Junction among the PIERT (n=6), AI (n=6) and CON (n=6) Groups.

Group

Cell density

TFZone

PArea

PIERT

16.8 (7.5)** 

213.5 (57.4)*#

155.0 (41.1)#

AI

14.3 (6.2)**

140.7 (43.1)

75.2 (39.2)

CON

31.8 (9.6)

160.2 (52.9) 

148.6 (28.5)#

* Compared with CON group, p < 0.05/0.01
# Compared with AI group, p < 0.05/0.01