Univariate

Multivariate

cHR [95% CI]

P

aHR [95% CI]

P

Age at diagnosis (months)

<0.001

<0.001

<12

5.43 [2.56 - 11.63]

7.58 [3.36 - 17.24]

≥12

1

1

Sex

0.237

Male

1.46 [0.78 - 2.71]

Female

1

Monthly income (FCFA)

0.053

0.092

≤100.000

1.66 [0.99 - 2.78]

1.56 [0.93 - 2.62]

>100.000

1

1

Father’s instruction

0.948

Educated

1

Uneducated

1.01 [0.72 - 1.43]

Mother’s instruction

0.456

Educated

1

Uneducated

1.12 [0.83 - 1.50]

Type of congenital heart disease

0.870

0.017

Cyanogen

1.03 [0.75 - 1.40]

1.50 [1.08 - 2.10]

Non-cyanogenic

1

1

Follow-up

0.001

0.003

Yes

1

1

No

2.12 [1.38 - 3.27]

3.80 [1.58 - 9.18]

Surgery/catheterisation

0.001

0.007

Yes

1

1

No

2.40 [1.43 - 4.02]

2.04 [1.21 - 3.44]