Differences in pain, function and coping in Multidimensional Pain Inventory subgroups of chronic back pain: a one-group pretest-posttest study
2011

Differences in Pain and Function in Chronic Back Pain Patients

Sample size: 173 publication 10 minutes Evidence: moderate

Author Information

Author(s): Verra Martin L, Angst Felix, Staal J Bart, Brioschi Roberto, Lehmann Susanne, Aeschlimann André, de Bie Rob A

Primary Institution: Physiotherapy Institute, Bern University Hospital

Hypothesis

The dysfunctional subgroup would report higher improvements than the adaptive copers and interpersonally distressed in pain, physical function, mental health, and coping.

Conclusion

The study found significant differences in pain, mental health, and coping outcomes among different subgroups of chronic back pain patients after a four-week pain management program.

Supporting Evidence

  • The dysfunctional subgroup showed the highest level of depression.
  • The adaptive copers subgroup had the lowest level of depression.
  • Significant differences in pain reduction were observed across the three MPI subgroups.

Takeaway

Patients with chronic back pain can be grouped into different types, and each type responds differently to treatment. This helps doctors give better care.

Methodology

Participants completed various questionnaires before and after a four-week pain management program, and subgroup classification was done using cluster analysis.

Potential Biases

Self-reported measures may introduce bias, and the lack of a control group limits causal conclusions.

Limitations

The study did not include a control group, and the sample may not represent all chronic back pain patients due to specific inclusion criteria.

Participant Demographics

{"mean_age":46.9,"sex_distribution":{"female":77.8,"male":22.2},"employment_status":{"full_time":9.6,"part_time":40.1,"unemployed":41.9,"retired":3.6}}

Statistical Information

P-Value

0.006

Confidence Interval

0.44 - 1.24

Statistical Significance

p = 0.006

Digital Object Identifier (DOI)

10.1186/1471-2474-12-145

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