Reference | N | Mean | SD | Min | Max |
---|---|---|---|---|---|
Boys | Â | Â | Â | Â | Â |
WHO 2007 | 6227 | 19.33 | 2.04 | 16.40 | 22.20 |
USCDC2000 | 6227 | 19.50 | 2.01 | 16.62 | 22.48 |
CASPIAN-III | 2715 | 19.02 | 1.26 | 17.75 | 21.31 |
Girls | Â | Â | Â | Â | Â |
WHO 2007 | 6227 | 19.48 | 1.74 | 16.60 | 21.40 |
USCDC2000 | 6227 | 19.44 | 1.25 | 17.94 | 21.33 |
CASPIAN-III | 2715 | 19.51 | 1.50 | 16.60 | 21.54 |