Identifying classes with different disability profiles amongst patients with persistent neck pain.
Konsta Koivunen, Mikhail Saltychev, Juhani Juhola
PMID 42683611WHAT IT FOUND
Patients with persistent neck pain fall into three distinct groups based on which daily tasks they struggle with, rather than just how much pain they feel.
One group has mild issues, one struggles specifically with reading and lifting, and one has severe limitations across almost all activities.
Key findings
01Patients with persistent neck pain cluster into three distinct disability profiles: no or mild disability (47%), moderate disability (15%), and severe disability (37%).
02The moderate disability class is characterized by high probabilities of severe limitation in reading, lifting, and driving, while personal care remains largely unaffected.
03Factors associated with the severe disability class include lower educational level, obesity, physical inactivity, worse pain levels, and working as a technician or manual worker.
STILL TO COME
How it was doneWhat they foundWhat it means for PTsWhat it means for OTs
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What it does not show
The study is cross-sectional, so it cannot determine if these profiles change over time or predict treatment response. Data was collected from a single tertiary clinic in Finland, which may limit generalizability to primary care or other healthcare systems. Key variables like BMI and physical activity were self-reported and subject to bias. Psychological factors such as depression, anxiety, or pain catastrophizing were not measured, despite their known influence on disability. Symptom duration was not systematically recorded, though patients were likely to have had pain for at least two months.
The easy way to misread this
Do not assume that higher pain intensity automatically places a patient in the most severe disability class. The study found that pain intensity was not among the significant functional limitations defining the classes, and patients with similar total NDI scores can have markedly different patterns of limitation in daily life.