Soins maternels intensifs (Maternal Intensive Care) en Belgique - KCE

KCE Reports 94 Maternal Intensive Care in Belgium 75
Gestational age
C. Distribution of gestational age
Table 35: Distribution of gestational age according to categories of women
Newborn babies from each category of women
Standard care
mothers
Grey zone care
mothers
Intermediate care
mothers
22-28 : Extreme prematurity
33 0.1% 113 0.3% 377 4.0%
29-32 : Very preterm 45 0.1% 273 0.8% 571 6.1%
33-36 : Preterm delivery 1,709 3.1% 2,873 8.5% 1,766 18.9%
37-42 : Term delivery 52,481 96.7% 30,531 90.3% 6,652 71.0%
>=42 : Prolonged pregnancy 5 0.0% 3 0.0% 1 0.0%
All 54,273 100.0% 33,793 100.0% 9,367 100.0%
Nb of newborns with intensive care mothers = 786 - Missing or incomplete data = 21
Source: Merged IMA and MKG/RCM Data 01/10/2003 – 30/09/2004
The proportion of preterm newborns also increases from standard care to intermediate
care mothers.
The category ‘Extreme prematurity’, varies from 0.1% in standard care to 0.3% in the
grey zone to 4.0% in intermediate care.
The proportion ‘Very Preterm’ varies from 0.1% in standard to 0.8% in the grey zone to
6.1% in intermediate care category.
The proportion ‘Preterm’ newborns, varies from 3.1% in standard to 8.5% in grey zone
and 18.9% in intermediate care category.
D. Distribution of birth weight
Table 36: Distribution of birth weight according to categories of women
Newborn babies from each category of women
Standard care Grey zone care Intermediate care
Birth weight
mothers
mothers
mothers
500 - 999 : Extreme low birth weight 25 0.0% 92 0.3% 300 3.2%
1000 - 1499 : Very low birth weight 25 0.0% 181 0.5% 351 3.8%
1500 - 2499 : Low birth weight 1,188 2.2% 2,961 8.8% 1,741 18.7%
2500 - 3999 : Normal birth weight 49,369 91.0% 27,546 81.5% 6,396 68.6%
>=4000 : High birth weight 3,655 6.7% 3,002 8.9% 541 5.8%
All 54,262 100.0% 33,782 100.0% 9,329 100.0%
Nb of newborns with intensive care mothers = 786 - Missing or incomplete data = 81
Source: Merged IMA and MKG/RCM Data 01/10/2003 – 30/09/2004
The proportion of ‘Low Birth weight’ neonates as well as the proportion of ‘preterm
newborn’ increases from standard care to intermediate care mothers.
The proportion ‘Extreme low birth weight’ neonates varies from 0.0% in standard to
0.3% in the grey zone to 3.2% in intermediate care %.
The proportion ‘Very low birth weight’ neonates varies from 0.0% in standard to 0.5%
in grey zone to 3.8% in intermediate care.
The proportion ‘Low birth weight’ neonates, varies from 2.2% in standard to 8.8% in
the grey zone to 18.7% in intermediate care.
All the differences are statistically significant (χ² test, p value < 0.0001).