Estudios originales

Factors associated with maternal mortality in Ica, Peru: A matched case-control study

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Knowledge of warning signs by pregnant women associated with maternal mortality in referral hospitals in the Ica region, 2010-2020.
VariableCases (n = 49)%Controls (n = 98)%OR95% CIP
Vaginal bleeding0.005
 Yes2244.92222.42.91.3 to 5.9
 No2755.17677.6
Amniotic fluid leakage1.000
 Yes24.144.11.00.2 to 5.7
 No4795.99495.9
Fever0.05
 Yes510.22323.50.40.1 to 1.1
 No4489.87576.5
Headache0.03
 Yes1122.44040.80.40.2 to 0.9
 No3877.65859.2
Seizures0.998
 Yes36.166.10.90.2 to 4.2
 No4693.99293.9
Flashes0.083
 Yes816.377.12.50.8 to 7.5
 No4183.79192.9
Blurred vision0.883
 Yes1020.41919.41.10.4 to 2.5
 No3979.67980.6
Tinnitus0.286
 Yes816.31010.21.70.6 to 4.7
 No4183.78889.8
Blood pressure ≥140/90 mmHg0.202
 Yes1122.42525.51.90.7 to 5.4
 No3877.67374.5
Infections0.210
 Yes816.399.21.90.6 to 6.0
 No4183.78990.8
Decreased fetal movements< 0.001
 Yes12.02727.60.10.0 to 0.4
 No4898.07172.4

CI, confidence interval.OR, odds ratio. P, p-value for chi-square test.

Source: epidemiological surveillance system of the regional health directorate of Ica, Peru, and additional analysis by the research team.