Skip to main content

Advertisement

Table 1 Exclusion of dogs from the study

From: Neuter status as a risk factor for canine intervertebral disc herniation (IVDH) in dachshunds: a retrospective cohort study

Serial no. Reason for exclusion Number of exclusions Dogs remaining in the study
    2031
1 respondents answered “don’t know” to the question, “Has your dog had any history of IVDD (back problems)?” 25 2006
2 Owner reported that the dog had shown signs of IVDD, but stated that the diagnosis was not confirmed by a veterinary surgeon AND the dog did not undergo spinal surgery 24 1982
3 Owner reported that the dog had shown signs of IVDD, but gave no answer to the question “who diagnosed your dog with IVDD” AND the dog did not undergo spinal surgery 2 1980
3 owner provided an age at neutering but answered “no” to the question “is your animal spayed/neutered” 6 1974
4 Dogs reported as having been neutered, but age at neutering not provided 7 1967
5 dogs reported as having a negative age at incidence of IVDD 2 1965
6 Dog reported as having a date of birth later than the study date 1 1964
  Total 67 1964