Table 2

The proliferation potential indexes(PCNA indexes)(Mean ± SD) between the convex side and the concave side of the vertebral growth plate (%)

Locations

Upper end
Apex
Lower end

Resting zone
Convex side
2.78 ± 0.71
2.80 ± 0.71
2.69 ± 0.51

Concave side
2.65 ± 0.56
2.77 ± 0.56
2.43 ± 0.76
Proliferative & Hypertrophic zone
Convex side
42.90 ± 11.46*
43.43 ± 5.47*
42.81 ± 3.10

Concave side
39.17 ± 5.13*#
25.63 ± 7.22*#+
41.89 ± 3.27+

Note: * indicates statistical significant between convex side and concave side(P < 0.05);# indicates statistical significant between upper end vertebrae and apex vertebrae(P < 0.05); +indicates statistical significant between lower end vertebra and apex vertebrae(P < 0.05)

Wang et al. Journal of Orthopaedic Surgery and Research 2007 2:19   doi:10.1186/1749-799X-2-19