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Table 3 feature clustering results for different number of the clusters

From: Proposing a machine-learning based method to predict stillbirth before and during delivery and ranking the features: nationwide retrospective cross-sectional study

 

K

Cluster.Id

Features

Discriminating livebirth from stillbirth

2

1

Gestational age, fetal height

2

All other features

4

1

Gestational age

2

Any pregnancy risk factor, fetal abnormality, delivery risk factors, maternal education, maternal insurance type, hospital type, delivery type

3

Fetal height

4

All other features

6

1

Gestational age

2

Any pregnancy risk factor, fetal abnormality, delivery risk factors, maternal education, hospital type, delivery type

3

Gestational diabetes, pre-eclampsia or eclampsia risk factors, placental abruption, Meconium-stained amniotic fluid, labor main cause, fetal gender, maternal insurance type

4

Fetal height

5

Province, hospital, region, city, medical science university operator the hospital, cesarean main cause, maternal age

6

All other features

Discriminating stillbirth before delivery from during it

2

1

Cesarean main cause, gestational age, miscarriage number, fetal abnormality, medical science university operator of the hospital, province, hospital, fetal gender, fetal height, maternal education, delivery main cause, maternal age

2

All other features

3

1

Cesarean main cause, gestational age, miscarriage number, fetal abnormality, medical science university operator of the hospital, perinatal gender, perinatal height, maternal education, delivery main cause, maternal age

2

Province, hospital

3

All other features

7

1

Number of the previous deliveries, number of the pregnancies, number of livebirth in the previous pregnancies, hospital type, maternal insurance type

2

Gestational age, cesarean main cause, medical science university operator of the hospital, fetal height, maternal education, maternal age

3

Province

4

Fetal abnormality, fetal gender, delivery main cause

5

Miscarriage number

6

Hospital

7

All other features