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Table 4 Association Between Maternal Age and Adverse Maternal Outcomes

From: The association of maternal age with adverse neonatal outcomes in Lusaka, Zambia: a prospective cohort study

Total ( N =11,501)

     
  

Crude Odds Ratio

95% CI

Adjusted Odds Ratio

95% CI

Maternal Outcome

Maternal Age

Maternal death

10-19

Non-estimable

-

Non-estimable

-

20-24

1.00 (ref)

 -

1.00 (ref)

 -

25-34

1.41

(0.34, 5.9)

2.85

(0.57, 14.23)

35+

1.21

(0.13, 11.61)

5.19

(0.32, 82.81)

Obstructed or prolonged labour

10-19

1.27

(.88, 1.83)

1.31

(0.89, 1.92)

20-24

1.00 (ref)

 -

1.00 (ref)

 -

25-34

0.94

(0.70, 1.27)

1.07

(0.75, 1.52)

35+

1.00

(0.63, 1.59)

1.42

(0.76, 2.65)

Severe antepartum haemorrhage

10-19

0.45

(0.05, 3.89)

Non-estimable

-

20-24

1.00 (ref)

-

1.00 (ref)

-

25-34

2.22

(0.79, 6.22)

2.00

(0.61, 6.59)

35+

2.89

(0.78, 10.79)

2.09

(0.31, 13.96)

Severe postpartum haemorrhage

10-19

1.36

(0.33, 5.71)

1.08

(0.2, 5.71)

20-24

1.00 (ref)

-

1.00 (ref)

-

25-34

2.56

(0.93, 7.04)

1.83

(0.5, 5.73)

35+

3.62*

(1.05, 12.52)

1.64

(0.32, 8.45)

Hypertension/pre-eclampsia

10-19

1.43

(0.88, 2.33)

1.52

(0.91, 2.53)

20-24

1.00 (ref)

 -

1.00 (ref)

 -

25-34

1.51*

(1.04, 2.20)

1.70*

(1.11, 2.61)

35+

2.21**

(1.35, 3.62)

3.01**

(1.54, 5.89)

Breech/transverse or oblique lie

10-19

0.95

(0.33, 2.69)

0.99

(0.31, 3.15)

20-24

1.00 (ref)

 -

1.00 (ref)

-

25-34

2.21*

(1.13, 4.30)

1.35

(0.63, 2.91)

35+

3.03*

(1.30, 7.02)

1.07

(0.34, 3.37)

Severe infection

10-19

0.76

(0.15, 3.75)

0.42

(0.05, 3.64)

20-24

1.00 (ref)

 -

1.00 (ref)

 -

25-34

1.0

(0.33, 2.96)

1.02

(0.30, 3.49)

35+

3.0

(0.92, 9.90)

3.56

(0.62, 20.50)

Preterm labour

10-19

1.49

(0.84, 2.67)

1.23

(0.67, 2.27)

20-24

1.00 (ref)

 -

1.00 (ref)

 -

25-34

1.71*

(1.09, 2.68)

2.11**

(1.26, 3.52)

35+

2.13*

(1.17, 3.90)

2.78*

(1.24, 6.21)

Preterm premature rapture of membrane (PPROM)

10-19

2.28

(0.80, 6.50)

2.11

(0.68, 6.51)

20-24

1.00 (ref)

 -

1.00 (ref)

 -

25-34

2.69*

(1.15, 6.30)

2.03

(0.77, 5.34)

35+

2.58

(0.82, 8.16)

1.41

(0.32, 6.27)

  1. *p<0.05, **p<0.01