Table 3.

Comparison of immunohistochemical detection of MSI1 in native bone vs. grafted bone after sinus floor elevation. Mean (Standard deviation) of a 0–3 scale. 0 = no staining; 1 = weak; 2 = moderate; 3 = intense.

Cells	Native bone	Graft	p value (Chi-squared test)
Osteocytes	0.89(0.67)	1.70(0.91)	0.001
Osteoblasts	0.56(0.92)	2.03(1.00)	0.000
Osteoclasts	0.22(0.54)	2.03(1.02)	0.000
Inflammatory infiltrate	0.56(0.70)	1.10(0.84)	0.020
Schneiderian membrane	0.11(0.47)	0.10(0.49)	0.936
Mesenchymal stromal cells	0.28(0.57)	2.10(0.92)	0.000
Smooth muscle cells	0.22(0.54)	0.23(0.53)	0.985
Endothelial cells	0.61(0.77)	0.58(0.59)	0.847