The relationship between chronic diseases and the intensity and duration of low back pain.

This was a cross-sectional survey, so it can show an association but cannot prove that chronic diseases cause worse low back pain. Diagnoses, pain intensity, and pain duration were based on self-report in a questionnaire. The study did not measure how long the chronic diseases had been present, how severe they were, or how they were being treated. Only people who already had low back pain were included, so the study cannot show which factors make someone more likely to develop low back pain. Participants came from one university physical therapy clinic and local advertising in Saudi Arabia, and the analysed age range was 18 to 65 years, so results may not apply to all populations or older patients. The authors noted that cognitive impairment may have affected the results, especially in older adults.

The authors declared no financial conflicts of interest. The project was funded by the Deputyship for Research and Innovation, Ministry of Education in Saudi Arabia.

Do not conclude that chronic diseases cause more intense or longer low back pain. This was a cross-sectional self-report study that only found an association, and it did not measure disease severity, duration, or treatment.