Table 4.
Laboratory examination between breast development with central priming and without the central priming groups
| Breast development with central priming group (N=136) | Breast development without central priming group (N=65) | P value | |
| Median (IQR) | Median (IQR) | ||
| BA (years) | 10.00 (9.00-11.00) | 10.00 (8.80-10.50) | <0.001 |
| BAI | 1.17 (1.11-1.33) | 1.32 (1.21-1.37) | 0.351 |
| Uterine body length (mm) | 24.00 (22.00-27.00) | 21.00 (20.00-21.00) | <0.001 |
| Ovarian volume (ml) | 1.59 (1.15-1.93) | 0.77 (0.56-1.63) | 0.005 |
| Basal LH (mIU/ml) | 0.62 (0.31-1.030 | 0.20 (0.15-0.29 | <0.001 |
| Basal FSH (mIU/ml) | 3.98 (2.93-4.97) | 2.44 (1.58-3.55) | <0.001 |
| Peak LH (mIU/ml) | 14.36 (9.52-23.10) | 3.70 (2.81-4.37) | <0.001 |
| Peak FSH (mIU/ml) | 12.21 (10.15-14.54) | 10.64 (8.07-12.74) | 0.015 |
| E2 (pmol/L) | 68.00 (18.35-122.80) | 21.48 (18.35-63.87) | <0.001 |
| TSH (mIU/ml) | 2.73 (1.98-3.63) | 2.58 (1.57-3.80) | 0.192 |
| FT3 (pmol/L) | 6.97 (6.36-7.64) | 6.78 (6.65-7.11) | 0.009 |
| FT4 (pmol/L) | 18.12 (16.86-19.06) | 17.46 (17.01-17.87) | 0.781 |
The Mann Whitney U test was used to compare the differences between the two groups
IQR Interquartile range, BA Bone age, BAI Bone age index, LH Luteinizing hormone, FSH Follicle-stimulating hormone, E2 Estradiol, TSH Thyroid stimulating hormone, FT3 Free triiodothyronine, FT4 Free thyroxine
Significant at p< 0.05