Research Article

Preoperative Prediction Value of Pelvic Lymph Node Metastasis of Endometrial Cancer: Combining of ADC Value and Radiomics Features of the Primary Lesion and Clinical Parameters

Table 2

Selected clinicopathological data of patients with endometrial cancer.

CharacteristicsTraining setTest set
PLNM (+)PLNM (−)PLNM (+)PLNM (−)

Age at onset (years)55 (51, 63)53 (49, 61.8)0.19654 (49.5, 59)53 (49, 57.5)0.2270.132

CA125 (U/mol)<0.0010.007<0.001
 ≥3518 (58.1%)6 (9.4%)76.9 (%)9 (32.1%)
 <3513 (41.9%)58 (90.6%)3 (23.1%)19 (67.9%)

MR-reported Mdot (cm)5 (3.5, 5.5)4 (3, 5)0.0345 (2.9, 6)4.3 (2.9, 5.8)0.5550.034

MR-reported PLNS0.0090.069<0.001
 MR-reported PLNM (+)20 (64.5%)8 (12.5%)6 (46.2%)4 (14.3%)
 MR-reported PLNM (−)11 (35.5%)56 (87.5%)7 (53.8%)24 (85.7%)

LVSI<0.0010.002<0.001
 Present17 (54.8%)4 (6.20%)8 (61.5%)3 (10.7%)
 Absent14 (45.2%)60 (93.8%)5 (38.5%)25 (89.3%)

Ki-67(%)60 (50, 70)50 (30, 70)0.01470 (60, 75)45 (32.5, 67.5)0.005<0.001

Adnexal metastasis<0.0010.024<0.001
 Present13 (41.9%)5 (7.80%)5 (38.5%)2 (7.10%)
 Absent18 (58.1%)59 (92.2%)8 (61.5%)26 (92.9%)

Dmi<0.001<0.001<0.001
 Present21 (67.7%)14 (21.9%)10 (76.9%)8 (28.6%)
 Absent10 (32.3%)50 (78.1%)3 (23.1%)20 (71.4%)

Menopause0.6750.4600.912
 Present17 (54.8%)38 (59.4%)9 (69.2%)16 (57.1%)
 Absent14 (45.2%)26 (40.6%)4 (30.8%)12 (42.9%)

FIGO stage<0.001<0.001<0.001
 I–II056 (87.5%)025 (89.3%)
 IIIA08 (12.5%)03 (10.7%)
 IIIC25 (80.6%)09 (69.2%)0
 IVA6 (19.4%)02 (15.4%)0
 IVB002 (15.4%)0

Pathological types0.0360.4430.017
 Endometrioid19 (61.3%)52 (81.2%)8 (61.5%)22 (78.6%)
 Nonendometrioid12 (38.7%)12 (18.8%)5 (38.5%)6 (21.4%)

Note. CA125 = carcinoma antigen 125; MR-reported Mdot = MR-reported maximum diameter of tumor; MR-reported; PLNS = MR-reported pelvic lymph node status; LVSI = lymphatic vascular space infiltration; and Dmi = deep myometrial invasion.