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Table 7 IGF-1

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

Gonadal stage
Males 1 2 3 4 5 Adult
Reference ranges* in ng/ml 109 to 485 174 to 512 230 to 818 396 776 402-839 182 to 780
Pre treatment       
Number 27 7     
Mean 128 250     
SD 64 81     
Minimum 27 151     
Maximum 270 178     
Treated       
Number 53 25 20 68 28 4
Mean 190 415 496 548 575 321
SD 127 130 162 165 184 22
Minimum 64 200 122 224 269 292
Maximum 625 637 777 961 897 338
Post treatment       
Number     1 2 16
Mean     374 286 321
SD      57 101
Minimum      245 178
Maximum      326 520
Females Breast stage
Reference ranges in ng/ml 128 to 470 186 to 695 292 to 883 394 920 308-1138 182 to 780
Pre treatment 1 2 3 4 5 Adult
Number 9 3     
Mean 167 243     
SD 80 32     
Minimum 95 214     
Maximum 331 277     
Treated       
Number 6 10 13 7 3  
Mean 287 327 510 662 336  
SD 95 98 192 222 63  
Minimum 146 194 207 352 284  
Maximum 397 470 959 916 406  
Post treatment       
Number     2 5 5
Mean     440 244 300
SD     233 52 130
Minimum     276 192 164
Maximum     605 311 511
  1. *Reference ranges from Quest Diagnostics, Pediatric Endocrinology. Ed. Delbert A. Fisher; 2001.