Research Article

Preoperative Cervical Lymph Node Metastasis Prediction in Papillary Thyroid Carcinoma: A Noninvasive Clinical Multimodal Radiomics (CMR) Nomogram Analysis

Table 3

Quantitative indices pertaining to the six models for data from two cohorts.

ModelCohortsAUC (95% CI)ACCSENSPEPPVNPV

MOGONETTraining0.84 (0.76–0.93)0.820.890.710.800.83
Validation0.84 (0.71–0.96)0.770.760.940.880.74

Combined-radiomicTraining0.82 (0.74–0.90)0.800.850.740.770.83
Validation0.77 (0.61–0.94)0.770.930.670.640.94

DWI-radiomicTraining0.74 (0.56–0.91)0.720.890.510.700.78
Validation0.74 (0.56–0.91)0.740.910.530.710.82

CE-T1WC-radiomicTraining0.79 (0.70–0.89)0.770.740.800.830.70
Validation0.68 (0.50–0.85)0.640.730.530.670.60

T2WI-radiomicTraining0.71 (0.61–0.82)0.690.570.850.830.60
Validation0.52 (0.33–0.71)0.510.450.590.590.45

US-radiomicTraining0.69 (0.59–0.80)0.690.920.390.660.80
Validation0.66 (0.48–0.85)0.590.910.180.590.60

AUC, area under the receiver operating characteristic curve; ACC, accuracy; SEN, sensitivity; SPE, specificity; PPV, positive predictive value; NPV, negative predictive value; CI, confidence interval.