Maternal and Neonatal Characteristics for Late Foetal Death in Latvia between 2001 and 2014: Population-Based Study
Table 1
Comparison of maternal and neonatal characteristics of LFD in 2001-2007 and 2008-2014.
Characteristics
2001-2007
2008-2014
p value
No (% (95CI))
No (% (95CI))
Mean maternal age
28 (23-33)
28 (24-33)
NS
Mean gestational week
36 (32-39)
36 (32-39)
NS
Mean birth weight (g)
2340 (1660-3046)
2405 (1550-3170)
NS
Antepartum
568 (77.2 (74.0-80.1))
503 (83.3 (80.2-86.1))
<0.001
Intrapartum
168 (22.8 (19.9-26.0))
101 (16.7 (13.9-20.0))
<0.001
Maternal age groups2
≤19 years
65 (8.8 (7.0-11.1))
38 (6.3 (4.6-8.4))
NS
20-34 years
521 (70.8 (67.6-74.2))
439 (72.7 (69.0-76.1))
NS
≥35 years
150 (20.4 (17.6-23.5))
127 (21.0 (17.9-24.4))
NS
Gestational age, weeks2
28 – 31 weeks
158 (21.5 (18.6-24.5))
130 (21.5 (18.4-25.0))
NS
32 – 36 weeks
247 (33.6 (30.2-37.0))
197 (32.6 (29.0-36.4))
NS
≥37 weeks
331 (45.0 (41.4-48.6))
277 (45.9 (42.0-50.1))
NS
Birth weight groups, g2
500-1499 g
140 (19.0 (16.3-22.0))
140 (23.2 (19.9-26.7))
NS
1500-2499 g
270 (36.7 (33.3-40.2))
173 (28.6 (25.1-32.4))
NS
≥2500 g
326 (44.3 (40.7-47.9))
291 (48.2 (44.2-52.2))
NS
Multiple births
33 (4.5 (3.2-6.2))
40 (6.6 (4.8-8.8))
NS
Late first antenatal visit (after 12 GW)
257 (34.9 (31.5-38.4))
132 (21.9 (18.7-25.3))
<0.001
Smoking during pregnancy
162 (22.0 (19.1-25.1))
110 (18.2 (15.3-21.4))
NS
Foetal growth restriction
24 (3.3 (2.1-4.7))
27 (4.5 (3.0-6.3))
NS
Pregnancy-induced hypertension
39 (5.3 (3.8-7.1))
35 (5.8 (4.1-8.0))
NS
Preeclampsia
46 (6.3 (4.7-8.2))
41 (6.8 (5.0-9.0))
NS
Placenta abruption
56 (7.6 (5.9-9.7))
21 (3.5 (2.2-5.2))
<0.001
Represents median (25th and 75th percentile) and Mann-Whitney U test is used. Represents n (% (95% CI)) and Chi-square test is used; NS: Not Significant.
