From: Adequacy of antenatal care and its relationship with low birth weight in Botucatu, São Paulo, Brazil: a case-control study
GROUP
Number of newborns per year
Total
2004
2005
2006
2007
2008
p
I – Case (<2500 g)
112
96
98
107
511
0.49
II – Control (≥2500 g)
108
97
122
89
538
220
193
229
187
1049