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Table 3 Ordered univariate logistic regression p-values of the risk factors below the 0.05 threshold

From: A hierarchical procedure to select intrauterine and extrauterine factors for methodological validation of preterm birth risk estimation

Risk Factors

Risk Factor Number

Label

P-value

Placenta Praevia

1

IU_PP

0

Pregnancy Induced Hypertension

2

IU_PH

0

Antibiotics Medication

3

EU_AB

0.00041

Cervical Length

4

IU_CL

0.00247

Physical Exercise

5

EU_PE

0.00822

Fetal Growth Restriction

6

IU_FG

0.00968

Anxiety

7

EU_AX

0.01475

Preeclampsia

8

IU_PC

0.01840

Antihypertensive Medication

9

EU_AH

0.02568

Depression Level

10

EU_DL

0.04306

Fetal Sex

11

IU_FS

0.04581

Hormones Medication

12

EU_HO

0.06358

  1. The last risk factor, hormones medication, is the first one above the threshold