Analgesia during Labor and Vaginal Birth among Women with Severe Maternal Morbidity: Secondary Analysis from the WHO Multicountry Survey on Maternal and Newborn Health

Table 7

Multivariate analysis by Poisson’s Regression of independent factors associated with SMO (MNM + MD) among women with SMM who delivered vaginally.

Characteristics	Prevalence Ratio	95% Confidence Interval	p-value
Education >8 years	0.43	0.32 – 0.58	<0.001
Multiple pregnancy	1.92	1.30 – 2.83	<0.002
Preterm delivery	1.45	1.16 – 1.81	<0.002
Low birthweight <2500g	1.32	1.03 – 1.69	0.029
Multiparous woman	1.19	1.01 – 1.41	0.039

Other variables tested in this model with no statistical significance: maternal age, marital status, number of previous cesarean-sections, previous maternal comorbidities, performance of analgesia, fetal presentation, and congenital malformation.