Skip to main content

Table 2 Univariate analysis of BM-related variables for TC patients in training set

From: Novel nomogram to predict risk of bone metastasis in newly diagnosed thyroid carcinoma: a population-based study

Variables Without BM(N = 10,268) With BM(N = 72) P value
Age (years) <0.001
 <50 5430 (52.9%) 10 (13.9%)
 ≥ 50 4838 (47.1%) 62 (86.1%)
Race <0.001
 Black 751 (7.3%) 16 (22.2%)
 Other a 1262 (12.3%) 7 (9.7%)
 White 8255 (80.4%) 49 (68.1%)
Sex <0.001
 Female 7802 (76.0%) 39 (54.2%)
 Male 2466 (24.0%) 33 (45.8%)
Histology <0.001
 ATC 203 (2.0%) 24 (33.3%)
 FTC 642 (6.3%) 16 (22.2%)
 MTC 82 (0.8%) 2 (2.8%)
 PTC 9341 (91.0%) 30 (41.7%)
Grade <0.001
 Grade I 8247 (80.3%) 19 (26.3%)
 Grade II 1462 (14.2%) 12 (16.7%)
 Grade III 272 (2.6%) 10 (13.9%)
 Grade IV 287 (2.8%) 31 (43.1%)
Laterality 0.083
 Unilateral 10,201 (99.3%) 70 (97.2%)
 Bilateral 67 (0.7%) 2 (2.8%)
T stage <0.001
 T1 5740 (55.9%) 4 (5.5%)
 T2 1789 (17.4%) 8 (11.1%)
 T3 2165 (21.1%) 21 (29.2%)
 T4 574 (5.6%) 39 (54.2%)
N stage <0.001
 N0 7650 (74.5%) 35 (48.6%)
 N1 2618 (25.5%) 37 (51.4%)
Tumor size <0.001
 <2 cm 6216 (60.5%) 8 (11.1%)
 2–4 cm 1244 (12.1%) 45 (62.5%)
 >4 cm 2808 (27.3%) 19 (26.4%)
Insurance status 0.853
 Insured 10,019 (97.6%) 71 (98.6%)
 Uninsured 249 (2.4%) 1 (1.4%)
Marital status 0.289
 Married 6606 (64.3%) 42 (58.3%)
 Unmarried 3662 (35.7%) 30 (41.7%)
  1. Data notes: a Includes: American Indian, native Alaskan and Asian, Pacific Islander; PTC papillary thyroid carcinoma, FTC Follicular thyroid carcinoma, ATC Anaplastic thyroid carcinoma, MTC Medullary thyroid carcinoma
\