Table 1 Characteristics of DB1 and DB2 patient population
|  | DB1 (n = 86) | DB2 (n = 29) |
|---|---|---|
Age (mean, range) | (66, 27–86) | (63, 30–80) |
Grade | ||
 G1 | 12 | 4 |
 G2 | 38 | 11 |
 G3 | 36 | 14 |
Histology | ||
 Endometrioid | 69 | 23 |
 Clear cell/serous/mixed | 12 | 5 |
 Malignant mixed mesodermal tumour | 5 | 1 |
Myometrial invasion | ||
 < 50% | 49 | 10 |
 > 50% | 37 | 19 |
LN metastases (histology) | ||
 Yes | 16 | 9 |
 No | 70 | 20 |
Staging FIGO | ||
 I | 55 | 19 |
 II | 7 | 1 |
 III | 23 | 9 |
 IV | 7 | 0 |
Adjuvant treatment | ||
 Chemotherapy/RT | 38 | 17 |
 No | 48 | 12 |
PET LN detection rate | ||
 TP | 8 | 3 |
 TN | 69 | 19 |
 FP | 1 | 1 |
 FN | 8 | 6 |