IGF1 and Turner syndrome: The ages of GH-treated [N = 7] and GH-untreated [N = 8] Turner Syndrome girls were not different (12.7 ± 2.0 years versus 14.3 ± 2.4 years, t = -0.79, p = 0.22) and IGF-1 levels were not different between GH-treated and GH-untreated girls (423.8 ± 122.8 versus 336.7 ± 103.6 mcg/L respectively, p = 0.23).