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J Sex Med. 2011 Mar;8(3):865-71. doi: 10.1111/j.1743-6109.2010.02151.x. Epub 2010 Dec 8.

The diagnostic value of the premature ejaculation diagnostic tool and its association with intravaginal ejaculatory latency time.

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1
Gyeongsang National University School of Medicine, Department of Urology, Jinju, Korea.

Abstract

INTRODUCTION:

Premature ejaculation (PE) is the most prevalent male ejaculation disorder. The premature ejaculation diagnostic tool (PEDT) was developed to systematically apply the DSM-IV-TR criteria in diagnostic PE.

AIMS:

To evaluate the diagnostic value of the PEDT and its association with intravaginal ejaculatory latency time (IELT).

METHODS:

(i) Korean validation of PEDT: data was collected from men interviewed by one of the two clinical experts, who made a diagnostic of present or absence of PE, using DSM-IV-TR criteria. A total of 103 patients with PE and 100 men without PE were enrolled into the study and requested to complete the PEDT; and (ii) The correlation between IELT and PEDT: 200 participants were enrolled and each participant was asked to make out PEDT. All participants were requested to measure IELT.

MAIN OUTCOME MEASURES:

Validity and reliability of the PEDT and its association with IELT.

RESULTS:

The geometric mean IELT of the PE group was 115.37 ± 78.14 seconds. The number of men reporting IELTs of <1, 1 to ≤ 2, and >2 minutes were 28 (28.6%), 29 (29.6%), and 41 (41.8%), respectively. The Cronbach's alpha score was calculated as 0.93, showing adequate internal consistency. The test-retest correlation coefficients of each item were higher than 0.72 and the correlation coefficients of the total score was 0.88. (P < 0.001) Sensitivity and specificity analyses suggested a score of ≤ 8 indicated no PE, 9 and 10 probable PE, and ≥ 11 PE. The PEDT total score and IELT showed an adequate negative correlation. (ρ = -0.77, P < 0.0001) also, the PEDT total score of the PE subgroup (IELT ≤ 2 minutes) and IELT showed a negative correlation. (ρ = -0.6, P < 0.0001)

CONCLUSIONS:

The PEDT was highly effective in detecting the presence of PE. The result of our study supports its validity as a diagnostic tool in the clinical setting.

[Indexed for MEDLINE]

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