On Patient Quality of Life: Impacts of Knee Osteoarthritis on Pain, Anxiety, Depression, Fatigue and Sleep Disorders.
Guang-Zhao Li, Rong-Jian Ji, Cui Ping Xu and 2 others
PMID 40610212WHAT IT FOUND
Knee osteoarthritis patients grouped into low symptoms, high psychological distress, and high fatigue and sleep problems.
The latter two groups had worse quality of life, so nurses should ask about mood, fatigue and sleep, not just knee pain.
Key findings
01Patients with knee osteoarthritis fell into three symptom groups: a low symptom group, a high psychological disorder group, and a high fatigue and sleep disorder group.
02The high psychological disorder and high fatigue and sleep disorder groups had lower quality of life than the low symptom group, and after adjustment the two higher symptom groups did not differ significantly.
03Age, education, economic status, chronic complications, knee imaging grade, self-efficacy and negative life events were associated with symptom group membership.
STILL TO COME
How it was doneWhat they foundWhat it means for RNs
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What it does not show
The study measured symptoms and quality of life at one time point, so it cannot show how symptoms change over time or cause each other. Participants were recruited by convenience sampling from two tertiary hospitals, so the sample may not represent all knee osteoarthritis patients. Symptoms were measured by self-reported questionnaires, which may introduce reporting bias. Most participants had active-stage disease, which may make symptoms more frequent than in milder or stable knee osteoarthritis.
Declared interests
The authors declared no conflicts of interest. No funding or sponsor role is stated in the supplied text.
The easy way to misread this
Do not conclude that treating one symptom cluster improves quality of life. The study measured symptoms and quality of life at one time point, so it cannot show cause or effect.