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Table 4 Comparison of the positive rate of X-ray and MRI in the experimental group at the 4th week

From: Magnetic resonance imaging at 7.0 T for evaluation of early lesions of epiphyseal plate and epiphyseal end in a rat model of Kashin-Beck disease

   X-ray 7.0 T MRI P value
Group B (n = 6) Number of positive 2 5 0.135
Number of negative 4 1
Group C (n = 7) Number of positive 1 5 0.032
Number of negative 6 2
Group D (n = 5) Number of positive 3 5 0.256
Number of negative 2 0
Total (n = 18) Number of positive 6 15 0.001
Number of negative 12 3
  1. *P = 0.001, the sensitivity of 7.0 T MRI at 4th week was higher than that of X-ray