Skip to main content

Table 1 Characteristics of patients with malignant primary osseous neoplasms by lung metastasis

From: Risk factors for lung metastasis at presentation with malignant primary osseous neoplasms: a population-based study

CharacteristicTotal, N = 4459
No. (%)
Non-metastatic to lung, N = 3952
No. (%)
Metastatic to lung, N = 507
No. (%)
P
Age   < 0.001
 < 301810 (40.6)1521 (38.5)289 (57.0) 
> 302649 (59.4)2431 (61.5)218 (43.0) 
Race   0.312
 White3667 (82.2)3258 (82.4)409 (80.7) 
 Black412 (9.2)354 (9.0)58 (11.4) 
 Other1348 (7.8)312 (7.9)36 (7.1) 
 Unknown32 (0.7)28 (0.7)4 (0.8) 
Gender   0.005
 Male2530 (56.7)2213 (56.0)317 (62.5) 
 Female1929 (43.3)1739 (44.0)190 (37.5) 
Primary site   < 0.001
 Extremity2273 (51.0)1973 (49.9)300 (59.2) 
 Axial2186 (49.0)1979 (50.1)207 (40.8) 
Grade   < 0.001
 Low grade1144 (25.7)1117 (28.3)27 (5.3) 
 High grade1606 (36.0)1343 (34.0)263 (51.9) 
 Unknown1709 (38.3)1492 (37.8)217 (42.8) 
Tumor size   < 0.001
 < 51029 (23.1)1000 (25.3)29 (5.7) 
> 52667 (59.8)2309 (58.4)358 (70.6) 
 Unknown763 (17.1)643 (16.3)120 (23.7) 
Histology type   < 0.001
 Osteosarcoma1457 (32.7)1225 (31.0)232 (45.8) 
 Ewing sarcoma592 (13.3)481 (12.2)111 (21.9) 
 Chondrosarcoma1292 (29.0)1223 (30.9)69 (13.6) 
 Squamous cell carcinoma72 (1.6)68 (1.7)4 (0.8) 
 Spindle cell sarcoma54 (1.2)45 (1.1)9 (1.8) 
 Chordoma461 (10.3)456 (11.5)5 (1.0) 
 Giant cell sarcoma112 (2.5)98 (2.5)14 (2.8) 
 Small cell sarcoma5 (0.1)3 (0.1)2 (0.4) 
 Epithelioid sarcoma23 (0.5)19 (0.4)4 (0.8) 
 Small round cell tumor5 (0.1)3 (0.1)2 (0.4) 
 Fibrosarcoma62 (1.4)54 (1.4)8 (1.6) 
 Adamantinoma17 (0.4)17 (0.4)0 (0) 
 Hemangiosarcoma50 (1.1)46 (1.2)4 (0.8) 
 Synovial sarcoma16 (0.4)12 (0.3)4 (0.8) 
 Leiomyosarcoma25 (5.6)24 (0.9)1 (0.2) 
 Other216 (4.8)178 (4.5)38 (7.5) 
  1. SEER 2010–2015
  2. 1Including American Indian/Alaska Native, Asian/Pacific Islander