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. Author manuscript; available in PMC: 2021 May 17.
Published in final edited form as: Inform Med Unlocked. 2021 Feb 12;23:100533. doi: 10.1016/j.imu.2021.100533

Table 2.

Feature overview with a brief description of each feature present in the respective datasets. Week20_ONLY referring to a gestational age of 20 + 0 to 23 + 6 weeks, and F3 to 34 + 0 to 37 + 6 weeks.

Feature Data Type Description
Week20_ONLY nGB Numerical The number of times gained beats were recorded for the maternal heart rate
total_GB Numerical The sum of all the gained beats recorded for the maternal heart rate
GBoverTime(per hour) Numerical Ratio of the total gained beats recorded per hour of heart rate recording for the maternal heart rate
accDuration Numerical The total time (in seconds) of the entire recording that were recorded as accelerations for the maternal heart rate
totalDuration Numerical The total time (in seconds) of the recording for the maternal heart rate
nLB Numerical The number of times lost beats were recorded for the maternal heart rate
total_LB Numerical The sum of all the lost beats recorded for the maternal heart rate
nfGB Numerical The number of times gained beats were recorded for the fetal heart rate
total_fGB Numerical The sum of all the gained beats recorded for the fetal heart rate
fGBoverTime(per hour) Numerical Ratio of the total gained beats recorded per hour of heart rate recording for the fetal heart rate
fAccDuration Numerical The total time (in seconds) of the entire recording that were recorded as accelerations for the fetal heart rate
fTotalDuration Numerical The total time (in seconds) of the recording for the fetal heart rate
f_nLB Numerical The number of times lost beats were recorded for the fetal heart rate
total_fLB Numerical The sum of all the lost beats recorded for the fetal heart rate
F3
F3_UMBILICAL_ARTERY_PI Numerical The Pulsality Index (PI) value for the Umbilical Artery
F3_AVG_UTERINE_ARTERY_PI Numerical The average Pulsality Index (PI) value for the Uterine Artery
F3_MCA_PI Numerical The Pulsality Index (PI) value for the Middle Cerebral Artery
F3_IUGR3 Categorical Whether or not the Intrauterine Growth Restriction was less than 3%
F3_IUGR10 Categorical Whether or not the Intrauterine Growth Restriction was less than 10%