Variable Information

LB $-$ FHR baseline $($beats per minute$)$

AC $-\backslash$# of accelerations per second

FM $-\backslash$# of fetal movements per second

UC $-\backslash$# of uterine contractions per second

DL $-\backslash$# of light decelerations per second

DS $-\backslash$# of severe decelerations per second

DP $-\backslash$# of prolongued 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 $-\backslash$# of histogram peaks

Nzeros $-\backslash$# of histogram zeros

Mode $-$ histogram mode

Mean $-$ histogram mean

Median $-$ histogram median

Variance $-$ histogram variance

Tendency $-$ histogram tendency

CLASS $-$ FHR pattern class code $(1$ to $10)$

NSP $-$ fetal state class code $($N$=$normal; S$=$suspect; $\backslash ($ P$=\backslash )$ pathologic$)$

NSP$\_1$: $1=$ NORMAL, $0=$ NOT NORMAL

NSP$\_2$: $1=$ NORMAL, $2=$ SUSPECT, $3=$ PATHOLOGIC