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Table 1 Mean number of calcified discs, visible on radiographic examination (CDVR), number of dogs having 4 or less and 5 and more CDVR and dogs having CDVR at surgery site in 100 surgeries for disc extrusion in different age groups.

From: Prevalence of radiographic detectable intervertebral disc calcifications in Dachshunds surgically treated for disc extrusion

  ≤ 4 years Age groups
5-7 years
≥ 8 years
Nr of dogs in groups 27 53 20
Mean nr of CDVR ± SD 5.74 ± 3.24a 5.17 ± 3.83a 2.4 ± 3.42b
Nr of dogs with ≤ 4 CDVR 10 (37%) 27 (51%) 16 (80%)
Nr of dogs with ≥ 5 CDVR 17 (63%) 26 (49%) 4 (20%)
CDVR at surgery site 14 (52%)ab 35 (66%)b 5 (25%)a
  1. a, b different superscript letters indicate statistically significant (p < 0.05) difference between age groups within row