Erection Hardness Score
The Erection Hardness Score (EHS) is a single-item Likert scale used to assess the subjective hardness of the penis as reported by the patient. It ranges from 0 to 4. Developed in 1998, the EHS is widely used in clinical trials and is recognized for its ease of administration and strong association with sexual function outcomes. It has been validated across various causes of erectile dysfunction and in patients treated with phosphodiesterase type 5 inhibitors (PDE5), showing robust psychometric properties and responsiveness to treatment.
Source: Wikipedia
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