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Table 3 L* a* b* color change of the plug cartilage at 4 and 12 weeks after osteochondral autograft

From: Spectrocolorimetric assessment of cartilage plugs after autologous osteochondral grafting: correlations between color indices and histological findings in a rabbit model

Parameter

4 weeks

12 weeks

P valuea

L* value

58.3 ± 3.9

59.5 ± 2.2b

NS

L* value/control

62.7 ± 2.8

62.4 ± 1.6

 

a* value

3.0 ± 1.3

3.3 ± 0.9

NS

a* value/control

2.2 ± 1.0

2.4 ± 0.9

 

b* value

-0.8 ± 1.6b

0.1 ± 2.0b

NS

b* value/control

6.1 ± 1.1

6.6 ± 1.6

 
  1. Data are mean ± standard deviation. aP values based on Mann-Whitney U-test, 4 weeks versus 12 weeks. bP < 0.05 versus control. NS, not significant.