Variables

Analyse univariée

Analyse multivariée

β

p

HR (IC95%)

β

p

HRa (IC95%)

Parité

Multipare

1

1

Primipare

0.963

0.012

2.62 (1.76 - 8.95)

0.286

0.535

1.33 (0.54 - 3.28)

EIG

≥24 mois

1

1

<24 mois

0.404

0.025

2.50 (1.67 - 3.34)

−0.219

0.601

0.80 (0.35 - 1.82)

PN

≥1600 g

1

1

<1600 g

2.105

<0.001

8.21 (3.38 - 19.96)

0.206

0.001

6.23 (2.46 - 12.28)

Alimentation

LM

1

1

LA ou mixte

2.773

<0.001

16.01 (3.83 - 67.00)

2.484

0.023

11.98 (1.40 - 13.53)

Méthode élevage

Kangourou

1

1

Classique

2.292

0.002

9.90 (2.36 - 41.49)

1.983

0.010

7.27 (1.62 - 13.64à

Croissance

Bonne

1

1

Mauvaise

4.692

0.002

10.12 (5.66 - 21.05)

13.156

0.003

6.85 (2.32 - 12.25)

Hypothermie

Non

1

1

Oui

3.430

0.005

10.86 (2.89 - 17.45)

9.644

0.032

5.43 (1.25 - 11.24)