Table 1.
list of the features considered in our dataset for stillbirth prediction (F.Code: Feature Code, M: Maternal, P: Perinatal, E: Enviromental, H: Health)
| F.Code | M/P/E/H | Feature | Feature Type |
|---|---|---|---|
| f1 | M | any pregnancy risk factor | Binary |
| f2 | M | gestational diabetes | Binary |
| f3 | M | cardiovascular diseases | Binary |
| f4 | M | other maternal underlying diseases | Binary |
| f5 | M | chronic hypertension | Binary |
| f6 | P | fetal abnormalities | Binary |
| f7 | M | Human immunodeficiency virus (HIV+) | Binary |
| f8 | M | Venereal Disease Research Laboratory test (VDRL+) | Binary |
| f9 | M | preeclampsia or eclampsia risk factors | Binary |
| f10 | P | Intrauterine growth restriction (IUGR) | Binary |
| f11 | M | infant mortality after previous deliveries | Binary |
| f12 | M | occurring stillbirth in the previous pregnancies | Binary |
| f13 | M | Type1 or Type 2 diabetes | Binary |
| f14 | M | hepatitis B | Binary |
| f15 | M | Chorioamnionitis | Binary |
| f16 | M | maternal drug or alcohol addiction | Binary |
| f17 | M | smoking | Binary |
| f18 | P | placental abruption | Binary |
| f19 | P | Meconium-stained amniotic fluid | Binary |
| f20 | P | Irregular fetal heartbeat | Binary |
| f21 | P | Early rupture of the amniotic sac | Binary |
| f22 | M | risks or dangerous causes of delivery | Nominal |
| f24 | M | maternal autoimmune disease | Binary |
| f25 | M | epidural anesthesia | Binary |
| f26 | P | Placenta accreta | Binary |
| f27 | M | IVF in the current pregnancy | Binary |
| f28 | M | number of the pregnancies | Numeric |
| f29 | M | number of the previous deliveries | Numeric |
| f30 | M | miscarriage number | Numeric |
| f31 | P | gestational age | Numeric |
| f32 | P | fetal weight (grams) | Numeric |
| f33 | M | birth number | Numeric |
| f34 | M | number of live children from the previous pregnancies | Numeric |
| f35 | M | type of delivery (natural delivery or cesarean) | Binary |
| f36 | M | cesarean main cause | Nominal |
| f37 | H | medical science university operator the hospital | Nominal |
| f38 | E | province | Nominal |
| f39 | H | hospital | Nominal |
| f40 | H | hospital type | Nominal |
| f41 | P | fetal gender | Nominal |
| f42 | M | delivery main cause | Nominal |
| f43 | H | delivery place | Nominal |
| f44 | M | maternal nationality | Nominal |
| f45 | M | maternal education | Ordinal |
| f46 | M | Consanguinity with spouse | Binary |
| f47 | E | city | Nominal |
| f48 | M | maternal insurance type | Nominal |
| f49 | P | fetal height (cm.) | Numeric |
| f52 | M | father nationality | Nominal |
| f53 | M | maternal age | Numeric |
| Outcome1 | – | outcome of the pregnancy: stillbirth or livebirth | Binary |
| Outcome2 | – | stillbirth before delivery process, stillbirth during delivery process, unknown | Nominal |