Table 1 Summary of diagnosis in the training, validation, and test cohorts n = 1074
Characteristics | Training cohort n = 434 | Validation cohort n = 288 | Test cohort n = 352 |
|---|---|---|---|
Patient demographics | |||
Age, years (mean ± SD) | 53.81 ± 12.42 | 52.41 ± 13.63 | 53.76 ± 12.88 |
Sex (n, %) | |||
Male | 197(45.39%) | 127(44.10%) | 162(46.02%) |
Female | 237(54.61%) | 161(55.90%) | 190(53.98%) |
Lesion localization | |||
Anterior | 297(68.43%) | 211(73.26%) | 275(78.13%) |
Middle | 94(21.66%) | 50(17.36%) | 54(15.34%) |
Posterior | 43(9.91%) | 27(9.38%) | 23(6.53%) |
CTCs level (pg/ml) | 12.48 ± 5.23 | 11.02 ± 4.62 | 15.19 ± 6.58 |