Biodemographic Analysis of Factors Related to Perinatal Mortality in Portugal (1988–2011)
Table 1
Yearly frequency of stillbirths, early neonatal deaths, and total births. Rates of stillbirths and early neonatal deaths. Proportion stillbirth rate/early neonatal rate.
Year
Stillbirths
Stillbirths rate
Early neonatal
Early neonatal rate
Total births
Proportion
1988
1152
9.70
816
6.94
118711
1.40
1989
1156
10.04
724
6.35
115110
1.58
1990
1010
8.94
598
5.34
112931
1.67
1991
984
8.72
616
5.50
112897
1.58
1992
909
8.15
494
4.46
111548
1.83
1993
887
8.04
419
3.83
110345
2.10
1994
825
7.81
327
3.12
105577
2.50
1995
747
7.22
333
3.24
103490
2.23
1996
759
7.13
323
3.06
106424
2.33
1997
692
6.35
299
2.76
108937
2.30
1998
687
6.28
288
2.65
109339
2.37
1999
671
6.03
263
2.38
111270
2.54
2000
696
6.05
255
2.23
115135
2.71
2001
662
6.14
206
1.92
107809
3.19
2002
592
5.41
342
3.14
109446
1.72
2003
508
4.74
264
2.48
107159
1.92
2004
428
4.13
259
2.51
103667
1.65
2005
434
4.18
215
2.08
103781
2.01
2007
377
4.18
212
2.24
97027
1.86
2008
341
3.89
217
2.19
97913
1.77
2009
381
3.48
243
2.22
93573
1.57
2010
334
4.07
133
2.61
94936
1.56
2011
295
3.52
187
1.41
90557
2.50
Stillbirths and early neonatal deaths regardless of duration of gestation. Early neonatal deaths: under one week of life. Denominator for the stillbirth rate is equal to the sum of live births plus stillbirths. Denominator for the early neonatal mortality rate is equal to live births.