Table 1 Characteristics of patients in the development and validation sets.
From: Preoperative scoring system for the prediction of risk of lymph node metastasis in cervical cancer
Characteristics | Development set (N = 284) | Validation set (N = 142) | P value |
|---|---|---|---|
Age(y) | 0.364 | ||
  < 45 | 111 | 62 |  |
  ≥ 45 | 173 | 80 |  |
BMI (kg/m2) | 0.266 | ||
  < 24 | 201 | 93 |  |
  ≥ 24 | 83 | 49 |  |
Histological type | 0.154 | ||
 Squamous | 224 | 102 |  |
 Adenocarcinoma | 46 | 34 |  |
 Adenosquamous | 14 | 6 |  |
Tumor size(cm) | 0.670 | ||
  < 3 | 178 | 92 |  |
  ≥ 3 | 106 | 50 |  |
FIGO Stage | 0.421 | ||
 Ib1 | 125 | 64 |  |
 Ib2 | 101 | 56 |  |
 Ib3 | 16 | 9 |  |
 IIa1 | 42 | 13 |  |
Invasion by MRI | 0.783 | ||
  < 1/2 | 160 | 78 |  |
  ≥ 1/2 | 124 | 64 |  |
Ca125(U/ml) | 0.147 | ||
  < 35 | 267 | 128 |  |
  ≥ 35 | 17 | 14 |  |
SCC (ng/ml) | 0.622 | ||
  < 1.5 | 173 | 90 |  |
  ≥ 1.5 | 111 | 52 |  |
LNM | 0.825 | ||
 Negative | 254 | 126 |  |
 Positive | 30 | 16 |  |
