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Table 1 Patients’ characteristics

From: Outcome of adjuvant radiotherapy after total hysterectomy in patients with uterine leiomyosarcoma or carcinosarcoma: a SEER-based study

  All Leiomyosarcoma Carcinosarcoma
N = 1635 n = 566 n = 1069
Age ≥ 60 years 1028 (62.9) 175 (30.9) 1934 (79.8)
Race
 White 1162 (71.1) 397 (70.1) 765 (71.6)
 Black 324 (19.8) 111 (19.4) 214 (20.0)
 Other a 145 (8.9) 56 (9.9) 89 (8.3)
 Unknown 4 (0.2) 3 (0.5) 1 (0.1)
Year of diagnosis after 2009 1635 (100) 566 (100.0) 1069 (100.0)
AJCC Stage
 Stage I 1070 (65.4) 443 (78.3) 627 (58.7)
 Stage II 153 (9.4) 66 (11.7) 87 (8.1)
 Stage III 412 (25.2) 57 (10.0) 355 (33.2)
Grade
 Grade 1 34 (2.1) 21 (3.7) 13 (1.2)
 Grade 2 81 (5.0) 53 (9.3) 28 (2.6)
 Grade 3 539 (33.0) 91 (16.1) 448 (41.9)
 Undifferentiated/anaplastic 380 (23.2) 146 (25.8) 234 (21.9)
 Unknown 601 (36.7) 255 (45.1) 346 (32.4)
Tumor size
 ≤ 50 mm 461 (28.2) 87 (15.4) 374 (35.0)
 > 50 mm 974 (59.6) 424 (74.9) 550 (51.5)
 Unknown 200 (12.2) 55 (9.7) 145 (13.5)
Lymphadenectomy
 No 583 (35.7) 374 (66.1) 209 (19.6)
 Yes 1025 (62.7) 185 (32.7) 840 (78.6)
 Unknown 27 (1.7) 7 (1.2) 20 (1.8)
Adjuvant radiation
 No treatment 1117 (68.3) 476 (84.1) 641 (60.0)
 EBRT alone 242 (14.8) 64 (11.3) 178 (16.7)
 Brachytherapy alone 159 (9.7) 11 (1.9) 148 (13.8)
 Combination radiotherapy b 95 (5.8) 13 (2.3) 82 (7.7)
 Others 22 (1.4) 2 (0.4) 20 (1.8)
  1. AJCC American Joint Committee on Cancer, EBRT external beam radiation therapy
  2. Data are presented as number (percentage)
  3. aIncluding American Indian, Alaska native, Asian Pacific Islander, and other unspecified
  4. bCombination radiotherapy is EBRT with radioactive implants