Skip to main content
. 2022 Dec 10;12:21407. doi: 10.1038/s41598-022-25746-6

Table 5.

Logistic Regression Variable Importance: Temperature Average for Birth Month, Sepsis Included.

Variable Value Rank Raw
Gestational age 0.1647 20 0.1647
Gestational age < 28 weeks 0.2456 13 0.2456
Gestational age < 26 weeks 0.0655 34 −0.0655
Birth weight 0.0027 63 −0.0027
Birth weight Z-score 0.5274 2 0.5274
Birth weight < 1000 g 0.1619 21 0.1619
Birth weight < 750 g 0.2152 17 0.2152
Small-for-gestational-age 0.2596 11 0.2596
Sex (male) 0.3218 7 0.3218
Birth-Year 0.0019 65 −0.0019
Birth-Month 0.0051 57 0.0051
Birth-Season: Spring 0.0010 71 −0.0010
Birth-Season: Summer 0.0017 66 0.0017
Birth-Season: Autumn 0.0008 72 0.0008
Birth-Season: Winter 0.0016 67 −0.0016
Temperature average Year 0.0138 46 0.0138
Temperature minimum Year 0.2266 16 0.2266
Temperature maximum Year 0.2996 8 −0.2996
Temperature average 10-month before birth 0.0060 56 0.0060
Temperature average 09-month before birth 0.0042 59 −0.0042
Temperature average 08-month before birth 0.0014 68 −0.0014
Temperature average 07-month before birth 0.0043 58 0.0043
Temperature average 06-month before birth 0.0035 61 −0.0035
Temperature average 05-month before birth 0.0027 64 −0.0027
Temperature average 04-month before birth 0.0031 62 0.0031
Temperature average 03-month before birth 0.0007 73 0.0007
Temperature average 02-month before birth 0.0011 70 0.0011
Temperature average 01-month before birth 0.0012 69 0.0012
Temperature average 00-month before birth 0.0039 60 −0.0039
PM10 Year 0.0288 39 0.0288
PM10 10-month before birth 0.0247 41 0.0247
PM10 09-month before birth 0.0081 53 −0.0081
PM10 08-month before birth 0.0097 50 −0.0097
PM10 07-month before birth 0.0093 51 0.0093
PM10 06-month before birth 0.0191 42 0.0191
PM10 05-month before birth 0.0187 43 −0.0187
PM10 04-month before birth 0.0136 47 −0.0136
PM10 03-month before birth 0.0161 44 0.0161
PM10 02-month before birth 0.0130 48 0.0130
PM10 01-month before birth 0.0077 54 −0.0077
PM10 00-month before birth 0.0005 74 −0.0005
Multiple pregnancy 0.1075 28 0.1075
Multipara 0.0753 33 0.0753
In vitro fertilization 0.2346 14 −0.2346
Gestational DM 0.5246 3 −0.5246
Overt DM 0.0807 32 −0.0807
Pregnancy-induced hypertension 0.1851 19 0.1851
Chronic hypertension 0.0076 55 0.0076
Chorioamnionitis 0.2802 10 −0.2802
PROM > 18 Hour 0.0859 30 0.0859
Antenatal Steroid 0.2334 15 0.2334
Cesarean section 0.1492 24 −0.1492
Oligohydramnios 0.1615 22 −0.1615
Polyhydramnios 0.0467 37 −0.0467
Maternal age 0.0088 52 0.0088
Maternal education 0.0601 35 −0.0601
Maternal citizenship 0.0128 49 −0.0128
Paternal education 0.1424 25 0.1424
Paternal citizenship 0.0141 45 0.0141
Unmarried 0.3626 5 0.3626
Congenital infection 0.0840 31 0.0840
1-min Apgar score ≤ 3 0.0927 29 0.0927
5-min Apgar score < 7 0.0470 36 0.0470
Neonatal resuscitation program 0.2107 18 −0.2107
Neonatal resuscitation program, intensive 0.1342 26 0.1342
Blood gas pH < 7.0 0.0374 38 −0.0374
Blood gas base excess < -15 0.2470 12 0.2470
Pulmonary hemorrhage 0.3511 6 0.3511
Respiratory distress syndrome 0.1317 27 0.1317
Surfactant use ≥ 2 0.0263 40 0.0263
Patent ductus arteriosus treatment 0.1543 23 0.1543
Patent ductus arteriosus litigation 0.4607 4 0.4607
Air leak syndrome 0.2935 9 0.2935
Sepsis 0.6989 1 0.6989

Abbreviations: DM, Diabetes mellitus; PROM, Pre-labor rupture of membrane; PM10, particulate matter concentration.

The ranking of a top-15 (or top-30) predictor is highlighted in bold (or italic).