Table 1 Clinicopathological characteristics of PTCs in the training and test sets
Clinicopathological characteristics | Training set (n = 184) | Test set (n = 66) | P Value |
|---|---|---|---|
Gender | 0.868 | ||
Male | 40 (16.0%) | 15 (6.0%) | |
Female | 144 (57.6%) | 51 (20.4%) | |
Age (years) | 41.0 (33.0, 51.0) | 41.5 (32.0, 53.0) | 0.939 |
Maximum Size (cm) | 0.8 (0.6, 1.2) | 0.9 (0.6, 1.2) | 0.915 |
Location | 0.425 | ||
Isthmus | 7 (2.8%) | 4 (1.6%) | |
Left lobe | 91 (36.4%) | 27 (10.8%) | |
Right lobe | 86 (34.4%) | 35 (14.0%) | |
US-LNM | 0.177 | ||
Normal | 146 (58.4%) | 47 (18.8%) | |
Suspicious | 38 (15.2%) | 19 (7.6%) | |
Pathological LNM | 0.227 | ||
No | 94 (37.6%) | 28 (11.2%) | |
Yes | 90 (36.0%) | 38 (15.2%) | |
ETE | 0.964 | ||
No | 151 (60.4%) | 54 (21.6%) | |
Yes | 33 (13.2%) | 12 (4.8%) |