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Table 1 Characteristics of patients with metastatic osteosarcoma included in this study

From: A population-based propensity-matched study of regional dissections in patients with metastatic osteosarcoma

CharacteristicsTotalRegional dissectionNon-regional dissection
398
(100%)
116
(29.15%)
282
(70.85%)
Sex   
 Female160 (40.20%)51 (43.97%)109 (38.65%)
 Male238 (59.80%)65 (56.03%)173 (61.35%)
Race   
 White307 (77.14%)94 (81.03%)213 (75.53%)
 Black59 (14.82%)12 (10.34%)47 (16.67%)
 Other race32 (8.04%)10 (8.62%)22 (7.80%)
Age   
 <18221 (55.53%)38 (32.76%)183 (64.89%)
 18-65147 (36.93%)62 (53.45%)85 (30.14%)
 >=6530 (7.54%)16 (13.79%)14 (4.96%)
Grade   
 Well/moderate11 (2.76%)5 (4.31%)6 (2.13%)
 Poorly/undifferentiated290 (72.86%)76 (65.52%)214 (75.89%)
 Unknown97 (24.37%)35 (30.17%)62 (21.99%)
T Stage   
 T167 (16.83%)21 (18.10%)46 (16.31%)
 T2220 (55.28%)44 (37.93%)176 (62.41%)
 T326 (6.53%)9 (7.76%)17 (6.03%)
 Tx85 (21.36%)42 (36.21%)43 (15.25%)
Chemotherapy   
 No/unknown26 (6.53%)12 (10.34%)14 (4.96%)
 Yes372 (93.47%)104 (89.66%)268 (95.04%)
Radiation   
 No/unknown334 (83.92%)79 (68.10%)255 (90.43%)
 Yes64 (16.08%)37 (31.90%)27 (9.57%)
Location   
 Extremity326 (81.91%)71 (61.21%)255 (90.43%)
 Other72 (18.09%)45 (38.79%)27 (9.57%)