Table 1 Attribute Information about the CTG dataset

LB

FHR baseline (beats per minute)

AC

Number of accelerations per second

FM

Number of fetal movements per second

UC

Number of uterine contractions per second

DL

Number of light decelerations per second

DS

Number of severe decelerations per second

DP

Number of prolonged decelerations per second

ASTV

Percentage of time with abnormal short term variability

MSTV

Mean value of short term variability

ALTV

Percentage of time with abnormal long term variability

MLTV

Mean value of long term variability

Width

Width of FHR histogram

Min

Minimum of FHR histogram

Max

Maximum of FHR histogram

Nmax

Number of histogram peaks

Nzeros

Number of histogram zeros

Mode

Histogram mode

Mean

Histogram mean

Median

Histogram median

Variance

Histogram variance

Tendency

Histogram tendency

NSP

Fetal state class code (N = 1; S = 2; P = 3)