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Table 1 Grade of alizarin red staining

From: Calcium deposition in osteoarthritic meniscus and meniscal cell culture

Grade Normal group Osteoarthritis group
  12 F 39 F 43 M 42 M 49 F 54 F 55 M 58 F 65 F 66 F 70 F
Transverse section 0 0 0 2 2 3 3 1 3 4 4
Longitudinal section 0 0 0 3 1 3 3 1 4 4 4
Averagea 0 0 0 2.5 1.5 3 3 1 3.5 4 4
  1. 12F, 12-year-old female; 42 M, 42-year-old male; and so forth. The difference of alizarin red staining grades between the osteoarthritis group and the normal control group was statistically significant with P < 0.02. aAverage of the transverse section grade and the longitudinal section grades.