Table 1. Study groups (I and J Groups not operated, all other groups operated).

Group	Features	Number of rats	Sacrifice time (Week)
A	Early histology-radiology control group	8	2
B	Early histology-radiology quercetin group	8	2
C	Early biomechanics-biochemistry control group	8	3
D	Early biomechanics-biochemistry quercetin group	8	3
E	Late histology-radiology control group	8	4
F	Late histology-radiology quercetin group	8	4
G	Late biomechanics-biochemistry control group	8	6
H	Late biomechanics-biochemistry quercetin group	8	6
I	Non-operated group given only quercetin	8	3
J	Non-operated group given only quercetin	8	6