Table 1 Attribute information of the public CTG dataset
Attribute | Description | Mean | Min | Max |
|---|---|---|---|---|
LB | FHR baseline (beats per minute) | 133.3 | 106 | 160 |
AC | number of accelerations per second | 0.00 | 0 | 0.02 |
ASTV | percentage of time with abnormal short-term variability | 47.0 | 12 | 87 |
ALTV | percentage of time with abnormal long-term variability | 9.8 | 0 | 91 |
MLTV | mean value of long-term variability | 8.2 | 0 | 50.7 |
MSTV | mean value of short-term variability | 1.3 | 0.2 | 7 |
DP | number of prolonged decelerations per second | 0.00 | 0 | 0.005 |
DS | number of severe decelerations per second | 0.00 | 0 | 0.001 |
DL | number of light decelerations per second | 0.00 | 0 | 0.02 |
Min | minimum of FHR histogram | 93.6 | 50 | 159 |
Max | maximum of FHR histogram | 164.0 | 122 | 238 |
Mode | histogram mode | 137.5 | 60 | 187 |
Mean | histogram mean | 134.6 | 73 | 182 |
Median | histogram median | 138.1 | 77 | 186 |
Nmax | number of histogram peaks | 4.1 | 0 | 18 |
Nzeros | number of histogram zeros | 0.3 | 0 | 10 |
Width | width of FHR histogram | 70.4 | 3 | 180 |
Variance | histogram variance | 18.8 | 0 | 269 |
UC | number of uterine contractions per second | 0.00 | 0 | 0.02 |
FM | number of fetal movements per second | 0.01 | 0 | 0.5 |
Tendency | histogram tendency | Left-asymmetric=165 ; Symmetric=1115 ; Right-asymmetric=846 | ||
Label | NSP (N : Normal; S : Suspicious; P : Pathologic) | N = 1655 ; S = 295 ; P = 176 | ||