Prevalence of spine degeneration diagnosis by type, age, gender, and obesity using Medicare data

Chantal S Parenteau, Edmund C Lau, Ian C Campbell, Amy Courtney, Chantal S Parenteau, Edmund C Lau, Ian C Campbell, Amy Courtney

Abstract

Identifying the prevalence of degenerative spinal pathologies and relevant demographic risk factors is important for understanding spine injury risk, prevention, treatment, and outcome, and for distinguishing acute injuries from degenerative pathologies. Prevalence data in the literature are often based on small-scale studies focused on a single type of pathology. This study evaluates the prevalence of diagnosis of selected degenerative spinal pathology diagnoses using Medicare insurance claim data in the context of published smaller-scale studies. In addition, the data are used to evaluate whether the prevalence is affected by age, sex, diagnosed obesity, and the use of medical imaging. The Medicare Claims 5% Limited Data Set was queried to identify diagnoses of degenerative spinal pathologies. Unique patient diagnoses per year were further evaluated as a function of age, gender, and obesity diagnosis. Participants were also stratified by coding for radiological imaging accompanying each diagnosis. The overall prevalence of diagnosed spinal degenerative disease was 27.3% and increased with age. The prevalence of diagnosed disc disease was 2.7 times greater in those with radiology. The results demonstrate that degenerative findings in the spine are common, and, since asymptomatic individuals may not receive a diagnosis of degenerative conditions, this analysis likely underestimates the general prevalence of these conditions.

Conflict of interest statement

The authors declare no competing interests.

Figures

Figure 1
Figure 1
Spine degeneration diagnosis prevalence by age group and sex.
Figure 2
Figure 2
Spine degeneration diagnosis prevalence by type, calendar year, and sex. Pearson’s Correlation coefficients and p values are indicated.
Figure 3
Figure 3
Spine degeneration diagnosis prevalence by type, age, and obesity coding.
Figure 4
Figure 4
Prevalence of degenerative spine diagnoses by type and age in overall sample and in radiology subsample.

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