ERECTION HARDNESS SCORE (EHS)1

The Erection Hardness Score (EHS) is a simple, reliable, and valid tool for the assessment of erection hardness1. Grade 4 erection hardness should be recognized as the optimal goal of an ED therapy2

IIEF-EF1
SEVERE ED
1 – 10
MODERATE ED
11 – 21
MILD ED
22 – 25
NO ED
26-30
1
Penis is larger but not hard
2
Penis is hard but not hard enough for penetration
3
Penis is hard enough for penetration but not completely hard
4
Penis is completely hard and fully rigid
IIEF_EF1
SEVERE ED
1 – 10
1
Penis is large but not hard
MODERATE ED
11 – 21
2
Penis is hard but not hard enough for penetration
MILD ED
22 – 25
3
Penis is hard enough for penetration but not completely hard
NO ED
26-30
4
Penis is completely hard and fully rigid
Reference: 1. Mulhall JP, et al. Validation of the Erection Hardness Score. J Sex Med 2007;4:1626-1634. 2. Mulhall JP, et al. Erection Hardness: A unifying factor for defining response in the treatment of erectile dysfunction. J Urology 2006;68:17-25.