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Table 4 Coefficients and p-values of complete and abridged version of maximum score models to predict CS

From: Development of caesarean section prediction models: secondary analysis of a prospective cohort study in two sub-Saharan African countries

 

Model 5 (N = 5850)

Model 5R (N = 6048)

Coef.

p-value

Coef.

p-value

Intercept

−9.0707

0.001

−6.9977

0.001

Symphysis-fundal height (cm)

0.2029

0.001

0.1841

0.001

Final cervical dilatation

−0.5602

0.001

−0.5594

0.001

Age

0.0158

0.237

  

Maternal height

0.0066

0.478

  

BMI: Normal

   

BMI: Underweight

0.0036

0.984

  

BMI: Overweight

−0.0120

0.934

  

BMI: Obese

0.0574

0.732

  

Mode of onset of labour: Spontaneous

 

 

Mode of onset of labour: Induced

0.2226

0.198

0.2888

0.075

Parity: Nulliparous

 

 

Parity: Multiparous without previous CS

−1.3044

0.001

−1.1991

0.001

Parity: Multiparous with CS

0.9186

0.001

0.9867

0.001

Ischial Prominent spines: No

 

 

Ischial Prominent sciatic spines: Yes

1.2837

0.004

1.0130

0.029

Cervix position: Anterior

 

 

Cervix position: Central

−0.0885

0.544

0.0071

0.960

Cervix position: Posterior

0.4972

0.008

0.4373

0.019

Gestational age: Term

 

 

Gestational age: Pre-term

−0.4344

0.089

−0.3899

0.098

Gestational age: Post-term

0.5000

0.109

0.4545

0.110

Final foetal presentation: Anterior cephalic

 

 

Final foetal presentation: transverse cephalic

0.5579

0.361

0.2786

0.640

Final foetal presentation: posterior cephalic

2.3656

0.001

2.4717

0.001

Final foetal presentation: Others

1.6676

0.001

1.7075

0.001

Most extreme MHR: 50–100

   

Most extreme MHR: 40–49 or 101–110

0.1205

0.568

  

Most extreme MHR: < 40 or > 110

0.3007

0.323

  

Most extreme SBP: 90–139

   

Most extreme SBP: 80–89 or 140–149

0.2456

0.190

  

Most extreme SBP: 71–79 or 150–159

0.1383

0.606

  

SBP: <=70 or > =160 (Risk 3)

0.2512

0.301

  

Highest number of contractions observed (10 min) > =3

 

 

Highest number of contractions observed (10 min) < 3

0.9000

0.001

1.0098

0.001

At least one suspected foetal distress: No

 

 

At least one suspected foetal distress: Yes

2.3763

0.001

2.5335

0.001

Foetal movements: At least an absence of foetal movements

 

 

Foetal movements: present throughout intrapartum

−0.3616

0.003

−0.3275

0.005

Lower foetal station achieved: Above ischial spines

 

 

Lower foetal station achieved: At or below ischial spines

−1.0640

0.001

−0.9810

0.001

Final amniotic membrane: Intact

 

 

Final amniotic membrane: rotated with meconium

2.7469

0.001

2.9515

0.001

Amniotic membrane: rotated without meconium

1.1715

0.001

1.5163

0.001

Labour pain: No occurrence of moderate to extreme pain

 

 

Labour pain: Some occurrence of moderate to extreme pain

0.7488

0.001

0.5317

0.001

Axillary temperature: No occurrence of abnormal axillary temperature

 

 

Axillary temperature: Some occurrence of abnormal axillary temperature (< 36 or > 37.4)

0.4553

0.005

0.1881

0.240

Highest Moulding: None

 

 

Highest Moulding: 1° degree

0.4672

0.018

0.5717

0.002

Highest Moulding: 2° degree

1.5347

0.001

1.4396

0.001

Highest Moulding: 3° degree

5.5318

0.001

7.2959

0.001

Most severe level of caput succedaneum: None

 

 

Most severe level of caput succedaneum: Mild

1.4269

0.001

1.2494

0.001

Most severe level of caput succedaneum: Moderate/Severe

3.1532

0.001

2.9695

0.001

  1. BMI: Body Mass Index; MHR: Maternal Heart Rate; SBP: Systolic Blood Pressure;