Table 2 Histology

Sub score

  Matrix

2.7 (1.3)^b

1.9 (0.6)^b

0.9 (0.6)

0.0006

  Cell distribution

2.4 (0.5)^b

1.9 (0.9)

1.4 (0.5)

0.0082

  Surface

3.6 (0.7)^{a, b}

2.6 (0.8)^b

1.8 (0.4)

< 0.0001

  Safranin at O stain

2.7 (0.9)^b

2.1 (0.9)^b

1.1 (0.6)

0.0006

  Percent Safranin O in defect

2.7 (1.1)^{a, b}

1.9 (0.9)^b

1.1 (0.6)

0.0012