Ultrasound Real-Time Tissue Elastography Improves the Diagnostic Performance of the ACR Thyroid Imaging Reporting and Data System in Differentiating Malignant from Benign Thyroid Nodules: A Summary of 1525 Thyroid Nodules
Table 2
Nodule size and numbers of nodules and patients.
Parameter
Nodules
Patients
Final diagnosis
Benign
Malignant
value
All nodules
1525
1498
726
799
Mean patient age (y)
43.5
44.7
42.3
<0.001
Women
904
887
352
552
<0.001
Men
621
611
374
247
0 < D ≤ 0.5 cm
74
71
16
58
Mean patient age (y)
44.4
45.6
44.1
0.625
Women
47
44
5
42
0.002
Men
27
27
11
16
0.5 < D ≤ 1.0 cm
528
518
197
331
Mean patient age (y)
43.0
43.1
42.9
<0.815
Women
315
308
80
235
<0.001
Men
213
210
117
96
1.0 < D ≤ 2.0 cm
715
704
429
286
Mean patient age (y)
44.3
45.1
43.1
0.035
Women
426
417
228
198
<0.001
Men
289
287
201
88
2.0 < D ≤ 2.5 cm
208
205
84
124
Mean patient age (y)
41.7
46.6
38.4
<0.001
Women
116
116
39
77
0.026
Men
92
89
45
47
Note. Unless otherwise indicated, the data point is the number of nodules or patients. value calculated by using the generalized estimating equation analysis.
