Fig. 1From: Low serum insulin-like growth factor-1 in patients with erectile dysfunctionDistributions of IGF-1 levels according to the degree of erectile dysfunction (ED). Values are means (±SD) of IGF-1: 132.5 ± 53.3 [no; n = 80], 125.1 ± 33.2 [mild; n = 29], 98.6 ± 25.1 [mild-moderate; n = 24], 79.6 ± 20.2 [moderate; n = 16] and 41.1 ± 15.3 [severe; n = 11], respectively, p < 0.001Back to article page