Table 1 Means and standard deviations of serum IGF-1, IGFBP-3 and their ratio at each CVMI stage
From: Serum IGF-1, IGFBP-3 and their ratio: Potential biochemical growth maturity indicators
CVMI Stage | n | Mean Age (years) | IGF-1 (ng/ml) | IGFBP-3 (ng/ml) | Mean IGF-1/IGFBP-3 ratio | ||
|---|---|---|---|---|---|---|---|
Mean | SD | Mean | SD | ||||
1 (Initiation) | 15 | 8.5 | 180.9 | 15.9 | 3056 | 1087.6 | 0.066 |
2 (Acceleration) | 15 | 9.3 | 208.4 | 10.2 | 3572.1 | 1209.4 | 0.064 |
3 (Transition) | 15 | 11.5 | 403.3 | 12.3 | 4952.9 | 1169.8 | 0.084 |
4 (Deceleration) | 15 | 14.4 | 332.4 | 12.8 | 5186.8 | 1384.2 | 0.068 |
5 (Maturation) | 15 | 16.1 | 294.5 | 10.9 | 3984.1 | 1176.2 | 0.079 |
6 (Completion) | 15 | 19.2 | 208.4 | 10 | 3599.5 | 1113.8 | 0.062 |