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Progress in Orthodontics

Table 4 Mean IGF-1 level (ng/ml) with respect to orthopedic and orthodontic treatment class

From: Serum IGF-1 levels as a clinical tool for optimizing orthodontic treatment timing

Group

Subjects

Mean IGF-1 (ng/ml)

SD

Median

95% confidence interval for mean

p value

Lower bound

Upper bound

Class 1

30

335

12.6

333

310

360

0.006

Class 2

15

280

10.8

285

258

302

 
  1. SD, standard deviation; Class 1, orthopedic treatment class; Class 2, orthodontic treatment class.
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