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PURPOSE: We investigated penile sensory levels in patients with primary premature ejaculation to determine whether there is an etiological basis for this condition. MATERIALS AND METHODS: Penile biothesiometry was performed in 120 patients with primary premature ejaculation without erectile dysfunction and neurological deficit, and in 66 normal potent male volunteers. Vibratory thresholds were recorded at the glans penis, penile shaft, scrotum and index finger using a biothesiometer. RESULTS: On the glans penis and penile shaft the values in patients with premature ejaculation were significantly less than those in normal potent men (p 0.05). CONCLUSIONS: Patients with primary premature ejaculation have penile hypersensitivity, which provides further implications for an organic basis of premature ejaculation.
Xin et al. (Sun,) studied this question.