The Journal of Practical Medicine ›› 2026, Vol. 42 ›› Issue (8): 1435-1443.doi: 10.3969/j.issn.1006-5725.2026.08.018
• Treatise: Clinical Practice • Previous Articles
Yumeng XIAO1,Linlu ZHENG2,Xiaojing HAO1,Yaying CHENG1(
)
Received:2025-10-21
Online:2026-04-25
Published:2026-04-28
Contact:
Yaying CHENG
E-mail:doctorcyy@126.com
CLC Number:
Yumeng XIAO,Linlu ZHENG,Xiaojing HAO,Yaying CHENG. Construction of a nomogram prediction model for central precocious puberty in girls with premature breast development[J]. The Journal of Practical Medicine, 2026, 42(8): 1435-1443.
Tab.1
Comparison of baseline characteristics between IPT and CPP in grils"
| 项目 | IPT组(n = 59) | CPP组(n = 103) | P值 | t/Z/χ2 值 |
|---|---|---|---|---|
| 年龄/岁 | 6.8(6.0,7.5) | 7.2(6.8,7.4) | 0.191 | -1.308 |
| 身高标准差积分 | 1.02(0.26,2.11) | 1.90(1.04,2.78) | <0.001 | -3.798 |
| 体质量标准差积分( | 1.03 ± 1.39 | 1.59 ± 1.24 | 0.008 | -2.679 |
| BMI标准差积分( | 0.58 ± 1.53 | 0.82 ± 1.34 | 0.297 | -1.045 |
| Tanner分期/[例(%)] | 0.486 | 2.415 | ||
| Ⅰ期 | 7(4.3) | 2(1.2) | ||
| Ⅱ期 | 45(27.8) | 74(45.7) | ||
| Ⅲ期 | 7(4.3) | 24(14.8) | ||
| Ⅳ期 | 0(0) | 3(1.9) | ||
| 骨龄/岁 | 7.0(6.5,8.5) | 8.5(8.0,9.5) | <0.001 | -5.883 |
| 骨龄与实际年龄差/岁 | 0.6(-0.20,1.6) | 1.7(1.20,2.50) | <0.001 | -5.832 |
| 骨龄指数 | 0.09(-0.04,0.24) | 0.23(0.18,0.36) | <0.001 | -5.560 |
| 卵巢容积/cm3 | 2.72(1.48,4.13) | 3.17(2.26,5.10) | 0.108 | -1.606 |
| > 4 mm卵泡数( | 5.85 ± 2.68 | 7.28 ± 2.68 | 0.001 | -3.273 |
| 子宫长径/cm | 2.00(1.70,2.30) | 2.40(2.00,2.63) | <0.001 | -4.522 |
| 子宫容积/cm3 | 1.43(0.99,1.96) | 2.13(1.66,4.22) | <0.001 | -5.191 |
| 泌乳素/(ng/mL) | 9.68(7.48,14.95) | 11.57(8.96,16.16) | 0.058 | -1.895 |
| E2/(pg/mL) | 5.00(5.00,11.36) | 21.22(8.91,36.88) | <0.001 | -5.118 |
| FT3/(pmol/L) | 6.86(6.41,7.29) | 6.95(6.55,7.40) | 0.132 | -1.507 |
| FT4( | 17.01 ± 2.35 | 16.85 ± 2.08 | 0.647 | 0.459 |
| TSH/(μIU/mL) | 2.16(1.63,3.13) | 2.39(1.94,3.27) | 0.164 | -1.391 |
| IGF-1/(ng/mL) | 217.7(188.5,275.1) | 311.4(244.2,365.2) | <0.001 | -5.825 |
| 血清钙( | 2.45 ± 0.18 | 2.49 ± 0.20 | 0.274 | -1.098 |
| 血清磷( | 1.64 ± 0.14 | 1.68 ± 0.11 | 0.071 | -1.820 |
| 血清镁/(mmol/L) | 0.89(0.84,0.93) | 0.86(0.81,0.91) | 0.063 | -1.859 |
| 25-羟基维生素D( | 23.27 ± 3.85 | 22.20 ± 4.43 | 0.122 | 1.557 |
| 碱性磷酸酶( | 302.12 ± 69.47 | 294.65 ± 46.96 | 0.417 | 0.814 |
| LH基础值/(IU/L) | 0.05(0.05,0.12) | 0.37(0.10,1.20) | <0.001 | -6.670 |
| FSH基础值/(IU/L) | 1.89(1.36,2.71) | 3.11(1.62,4.17) | <0.001 | -4.436 |
| LH基础值/FSH基础值 | 0.04(0.03,0.08) | 0.13(0.05,0.27) | <0.001 | -5.592 |
| LH峰值/(IU/L) | 4.02(3.39,4.46) | 8.56(6.26,12.87) | <0.001 | -10.252 |
| FSH峰值/(IU/L) | 11.18(8.17,13.73) | 9.00(6.63,12.01) | 0.004 | -2.863 |
| LH峰值/FSH峰值 | 0.37(0.27,0.44) | 1.08(0.79,1.64) | <0.001 | -10.397 |
Tab.2
Results of univariate logistic regression analysis"
| 变量 | OR值 | 95%CI | P值 |
|---|---|---|---|
| 身高标准差积分 | 1.802 | 1.328 ~ 2.445 | <0.001 |
| 体质量标准差积分 | 1.417 | 1.088 ~ 1.845 | 0.010 |
| 骨龄/岁 | 2.441 | 1.752 ~ 3.399 | <0.001 |
| 骨龄与实际年龄差/岁 | 2.793 | 1.892 ~ 4.123 | <0.001 |
| 骨龄指数,per0.1 | 1.793 | 1.403 ~ 2.291 | 0.001 |
| > 4 mm卵泡数/个 | 1.223 | 1.077 ~ 1.389 | 0.002 |
| 子宫长径/cm | 4.065 | 1.928 ~ 8.573 | <0.001 |
| 子宫容积/cm3 | 1.614 | 1.212 ~ 2.151 | 0.001 |
| E2/(pg/mL) | 1.042 | 1.019 ~ 1.066 | <0.001 |
| LH基础值/(IU/L),per0.1 | 1.459 | 1.183 ~ 1.800 | <0.001 |
| FSH基础值/(IU/L) | 1.837 | 1.389 ~ 2.431 | <0.001 |
| LH基础值/FSH基础值 | 1.077 | 0.488 ~ 2.379 | 0.854 |
| IGF-1/(ng/mL) | 1.014 | 1.009 ~ 1.020 | <0.001 |
Tab.4
ROC curve prediction value"
| 变量 | AUC | 95%CI | P值 | 截断值 | 约登指数 | 敏感度 | 特异度 |
|---|---|---|---|---|---|---|---|
| 身高标准差积分 | 0.680 | 0.594 ~ 0.769 | <0.001 | 1.515 | 0.338 | 0.660 | 0.678 |
| IGF-1/(ng/mL) | 0.775 | 0.702 ~ 0.849 | <0.001 | 296.550 | 0.500 | 0.602 | 0.898 |
| LH基础值/(IU/L) | 0.806 | 0.739 ~ -0.873 | <0.001 | 0.225 | 0.550 | 0.631 | 0.915 |
| > 4 mm卵泡数/个 | 0.647 | 0.559 ~ 0.734 | 0.002 | 8.500 | 0.240 | 0.359 | 0.881 |
| 预测模型 | 0.932 | 0.889 ~ 0.975 | <0.001 | 0.414 | 0.731 | 0.951 | 0.780 |
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