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Table 1 Idiopathic short stature treated with GH, non-familial short stature (NFSS) & familial short stature (FSS)

From: Growth hormone significantly increases the adult height of children with idiopathic short stature: comparison of subgroups and benefit

  NFSS Mean (SD) FSS Mean (SD) Reference mean (SD)
Characteristic Males (#47) Females (#16) Males (#21) Females (#4) Normal
Age start – yr 11.96 (3.50) 12.08 (1.39) 11.96 (2.81) 12.07 (0.88)  
BA start – yr 9.00 (3.20) 9.39 (1.51) 9.10 (2.91) 10.30 (1.38)  
GH stim peak mean 12.4 10.8 13.1 14.8 >7 ng/ml
range – ng/ml 7.04 to 28.0 7.0 to 19.8 7.1 to 38.5 8.8 to 20.9 >7 ng/ml
GH Freq Samp 12  2.53 (1.08) (#31)   2.49 (1.46) (#11)   M = 2.54 (0.84)
hr mean ng/ml   1.78 (0.64) (#8)   3.02 (#1) F = 1.96 (0.85)
SMC – U/ml 0.79 (0.43) (#27) 0.87 (0.22) (#6) 1.09 (0.60) (#11) 1.55 (0.04) (#2) T-I = 1.04 (0.66)
IGF-1 – ng/ml 144 (101) (#19) 166 (63) (#10) 158 (69) (#11) 205 (9) (#2) T-I = 109–485
T-II = 174-512
Duration Rx – yr 5.21 (2.69) 3.59 (0.94) 5.30 (2.30) 3.17 (0.88)  
  1. Abbreviations: GH serum growth hormone, BA bone age, (#) number, M males, F females, T Tanner stage.