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第45卷第8期 钱 哲,臧 攀,丁 磊,等. 高危前列腺癌患者穿刺病理预测模型的构建及验证研究[J].
2025年8月 南京医科大学学报(自然科学版),2025,45(8):1186-1193,1210 ·1189 ·
表1 训练集和验证集中患者基线资料对比
Table 1 Comparison of clinical characteristics of the patients in the training and validation sets
Clinical characteristics Training set(n=424) Validation set(n=78) P
Biopsy result[n(%)] 0.755
+ 372(87.74)000- 70(89.74)0-
- 52(12.26)00- 8(10.26)0
Age[years,M(P25,P75)] 69(42,86)00 71(53,82)0. 0.409
PSA[ng/mL,M(P25,P75)] 11.62(0.31,155.00) 11.48(0.06,74.48) 0.161
PSAD[ng/mL ,M(P25,P75)] 0.34(0.02,6.21)0 0.37(0.00,2.86) 0.833
2
PI⁃RADS score[n(%)] 0.359
4 245(57.78)000- 50(64.10)0-
5 179(42.22)000- 28(35.90)0-
Lesions number[n(%)] 0.298
1 310(73.11)000- 62(79.49)0-
≥2 114(26.89)000- 16(20.51)0-
Histological region[n(%)] 1.000
Peripheral zone 222(52.36)000- 41(52.56)0-
Other 202(47.64)000- 37(47.44)0-
Testosterone[ng/mL,M(P25,P75)] 9.98(0.00,35.71) 07.06(0.00,21.14) 0.041
降低不同前列腺体积造成的PSA差异(图1B)。 4.615~6.962,P < 0.001)。结果显示上述因素为患
多因素回归分析结果(图 1C)为:年龄(OR= 者TB病理的显著相关因素,除病灶数量的OR值<1
1.070,95%CI:1.046~1.094,P < 0.001);病灶数量 且 CI 不包含 1,意味着为保护因素外,患者年龄、
(OR=0.518,95%CI:0.373~0.711,P < 0.001);组织学 PSAD、病灶所在组织学区域以及PI⁃RADS评分均为
区 域 评 分(OR=1.464,95% CI:1.067~2.016,P= TB病理的危险因素。
0.019);PI ⁃ RADS 评 分(OR=9.693,95% CI:5.919~ 2.3 通过训练集数据构建TB病理的预测模型
16.405,P < 0.001);PSAD 值(OR=5.742,95% CI: 本研究通过应用逐步逻辑回归的方法对训练
A B
Variants P OR(95%CI)
Age <0.001 01.051(1.032-1.070)
Lesion number <0.001 00.510(0.398-0.649) Histological score
Histological region 0.008 01.372(1.085-1.739) Result Lesion PI⁃RADS
PI⁃RADS <0.001 10.660(7.203-16.225) Age PSA PSAD
PSAD <0.001 05.880(4.877-6.963) 1.0
PSA <0.001 01.082(1.062-1.104) Result 0.8
Testosterone 0.402 00.993(0.975-1.01)
Age 0.13 0.6
0 5 10 15
0.4
OR
Lesion -0.14 0.02
0.2
C B
Variants P OR(95%CI)
Histological score 0.06 -0.08 -0.18 0
Age <0.001 1.070(1.046-1.094)
Lesion number <0.001 0.518(0.373-0.711) -0.2
Histological region 0.019 1.464(1.067-2.016) PI⁃RADS 0 0.26.26 0.13 -0.01 -0.18 -0.4
PI⁃RADS <0.001 9.693(5.919-16.405)
PSAD <0.001 5.742(4.615-6.962) PSA 0.15 0.13 -0.09 -0.23 0.35 -0.6
-0.8
0 5 10 15 PSAD 0.20 0.06 -0.12 -0.14 0.31 0.87
OR -1.0
A:Univariate logistic regression for initial analysis of variables related to puncture pathology. B:Pearson’s coefficient characterising covariance
between factors. C:Multivariate logistic regression controlling for confounding effects.
图1 单因素与多因素回归分析结果
Figure 1 Results of univariate and multivariate regression analyses

