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Table 4 SDres results in the total Model group (left) and total Validation group (right) giving the first, second and third year response. SDstandRes gives the ratio SDres/SDresModelgroup, 2*cm 3 y gives the 2 SD prediction interval in cm at 3 years of age and 2*cm 7 y gives this interval at 7 years of age.

From: Models predicting the growth response to growth hormone treatment in short children independent of GH status, birth size and gestational age

  Model group Validation group
Models n SDres SDstandRes 2*cm 3 y 2*cm 7 y n SDres
1 yr response        
A. Auxological model 415 0.231 1 1.7 2.4 112 0.230
B. Auxological+endocrine models        
   IGF+leptin 199 0.191 1 1.4 2.0 82 0.209
   GHAITT+IGF+leptin 172 0.191 1 1.4 2.0 71 0.205
   GH24 h 188 0.164 1 1.2 1.7 60 0.165
   GH24 h+IGF+leptin 140 0.154 1 1.1 1.6 51 0.156
2 yrs response        
A. Auxological model 305 0.340 1 2.5 3.5 77 0.351
B. Auxological+endocrine models        
   IGF+leptin 154 0.266 1 1.9 2.7 55 0.290
   GHAITT+IGF+leptin 138 0.260 1 1.9 2.7 45 0.280
   GH24 h 133 0.276 1 2.0 2.8 43 0.289
   GH24 h+IGF+leptin 105 0.246 1 1.8 2.5 34 0.261
3 yrs response        
A. Auxological model 191 0.432 1 3.2 4.5 27 0.470
B. Auxological+endocrine models        
   IGF+leptin 109 0.327 1 2.4 3.4 17 0.370
   GHAITT+IGF+leptin 98 0.329 1 2.4 3.4 12 0.358
   GH24 h 86 0.353 1 2.6 3.6 14 0.400
   GH24 h+IGF+leptin 73 0.305 1 2.2 3.1 9 0.343