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Table 4 Treatment of the liveborns

From: Population based trends in mortality, morbidity and treatment for very preterm- and very low birth weight infants over 12 years

 

supplemental oxygen No. (%)

surfactant No. (%)

antenatal steroids No. (%)

1996-2008 1

1933 (64.8)

972 (32.6)

2311 (77.5)

19961

472 (67.2)

174 (24.8)

475 (67.7)

20001

489 (65.2)

221 (29.5)

508 (67.7)

20041

492 (67.6)

255 (35.0)

594 (81.6)

20081

480 (59.8)

322 (40.1)

734 (91.4)

p-value 1996-2008

< 0.001

< 0.001

< 0.001

 

No. (%)

p-value

No. (%)

p-value

No. (%)

p-value

Gender

      

   - female

922 (63.1)

0.77

435 (29.8)

0.50

1132 (77.4)

0.99

   - male

1011 (66.5)

 

537 (35.3)

 

1179 (77.5)

 

Location of birth

      

   - inborn2

1728 (64.0)

0.48

865 (32.0)

0.49

2144 (79.4)

0.08

   - outborn

205 (72.2)

 

107 (37.7)

 

167 (58.8)

 

Mode of delivery3

      

   - spontaneous

327 (62.0)

0.76

141 (26.8)

0.38

392 (74.4)

0.71

   - caesarean section

1537 (65.5)

 

789 (33.6)

 

1852 (78.9)

 

Number of infants

      

   - singleton

1387 (67.2)

0.49

722 (35.0)

0.49

1525 (73.8)

0.35

   - multiples

546 (59.5)

 

250 (27.2)

 

786 (85.6)

 

Gestational age4

      

   < 26

234 (88.0)

 

167 (62.8)

 

201 (75.6)

 

   26-27

435 (89.5)

 

286 (58.8)

 

377 (77.6)

 

   28-29

534 (78.0)

 

261 (38.1)

 

536 (78.2)

 

   30-31

234 (20.8)

 

234 (20.8)

 

903 (80.3)

 
  1. 1 infants who died in the delivery room were excluded, 2 born in one of the nine perinatal centres, 3 cephalic forceps and cephalic ventouse deliveries were not listed separately, 4 children born > 32 completed gestational weeks were not listed separately