Antiadhesive Property of Photoreactive Azidophenyl Low-Molecular-Weight Chitosan in Rabbit Laminotomy Model

Table 1

Histological results.

		Group I	Group II	Group III	𝑃 value
6 weeks; (𝑛=16 at each group)	Grade of peridural adhesion	2.24 (0.93)	0.25 (0.58)*	0.25 (0.45)*	<0.001
	Distance (1/10 mm)	0	6.23 (1.42)	6.25 (1.49)	0.778
	Grade of cell density	1.63 (0.72)	1.25 (0.45)	1.25 (0.45)	0.161
	Dural thickness (1/100 mm)	4.21 (1.20)	1.60 (0.52)*	1.58 (0.45)*	<0.001
	No. of new bone formation at laminotomy site^†	4	3	2	0.557
12 weeks; (𝑛=19 at each group)	Grade of peridural adhesion	2.68 (0.95)	0.53 (0.84)*	0.26 (0.45)*	<0.001
	Distance (1/10 mm)	0	67.7 (14.2)	67.1 (22.0)	0.518
	Grade of cell density	1.32 (0.48)	1.21 (0.42)	1.11 (0.32)	0.288
	Dural thickness (1/100 mm)	2.39 (0.78)	1.39 (0.25)*	1.33 (0.27)*	<0.001
	No. of new bone formation at laminotomy site^†	6	3	4	0.478

Data are given as mean with SD in parentheses.
* 𝑃<0.05 (Kruskal-Wallis test).
^†Chi-squared test.