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Table 1 Characteristics of low-risk and intermediate-risk endometrioid endometrial cancer patients

From: Whether intermediate-risk stage 1A, grade 1/2, endometrioid endometrial cancer patients with lesions larger than 2 cm warrant lymph node dissection?

  Low risk (n = 818) Intermediate risk (n = 1009) p
Age(years) 53.0 ± 8.5(27–79) 53.2 ± 9.0(26–84) 0.663a
Hypertension yes 175(21.4%) 249(24.7%) 0.106b
no 643(78.6%) 760(75.3%)
Diabetes yes 67(8.2%) 82(8.1%) 1.000b
no 751(91.8%) 927(91.9%)
Family history of malignant tumor yes 77(9.4%) 73(7.2%) 0.103b
no 741(90.6%) 936(92.8%)
Serum CA125 level 18.08 ± 22.43 23.36 ± 32.67 0.023a
Histologic subtype Endometrioid 784(95.8%) 971(96.2%) 0.717b
Areas of squamous differentiation 34(4.2%) 38(3.8%)
Tumor grade 1 757(92.5%) 823(81.6%) <0.001b
2 61(7.5%) 186(18.4%)
Myometrial invasion none 339(41.4%) 135(13.4%) <0.001b
Superficial (<50%) 479(58.6%) 874(86.6%)
LVSI yes 18(2.2%) 47(4.7%) 0.005b
no 800(97.8%) 962(95.3%)
Lymphadenectomy yes 394(48.2%) 624(61.8%) <0.001b
no 424(51.8%) 385(38.2%)
  1. at test
  2. bPearson χ2 test