Interrelationship between the general characteristics of Korean stroke patients and the variables of the sexual functions: random forest and boosting algorithm.
Jung-Gyu Yoon, Neda Zarayeneh, Sang C Suh
PMID 28533595WHAT IT FOUND
Illness duration, age, and education level were the strongest characteristics linked to sexual function, muscle tone, and motor or sensory changes in Korean stroke survivors.
This supports asking about these factors, but does not show treatment works.
Key findings
01Illness duration was the highest-ranked variable for sexual intercourse and muscle-tone changes.
02Age was the highest-ranked variable for changed sexual function, with education level next.
03Illness duration was also the highest-ranked variable for motor and sensory function after stroke.
STILL TO COME
How it was doneWhat they foundWhat it means for PTs
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What it does not show
The study was a survey, not an experiment, so it cannot show that illness duration, age, or education caused changes in sexual function. Participants were stroke patients at university hospitals in Seoul/Gyeonggi, South Korea, so results may not apply to other settings or countries. Only 156 of 200 questionnaires were collected and 147 were analysed, and older patients skipped some items because of passive attitude or repulsion, which limits generalisability. The questionnaire was revised for this study and had a Cronbach alpha of 0.688 for the dependent variables, a reliability score, so the measurement may not have been as established as a standard clinical outcome.
The easy way to misread this
Do not read duration, age, and education as causes of sexual dysfunction or as proof that counseling works. This was a self-report survey using variable-importance models, so it shows associations only.