Table 4 Multivariate analysis of factors associated with delayed diagnosis of congenital heart disease

Male sex

236 (46.3)

148 (45.1)

0.670

0.93 (0.71–1.24)

Cyanotic CHD

137 (26.9)

23 (7.0)

< 0.001

4.87 (3.05–7.76)

< 0.001

4.16 (2.55–6.79)

Referral from other hospital

495 (97.2)

302 (92.1)

0.001

3.04 (1.56–5.92)

0.480

1.32 (0.62–2.81)

Residence outside city

356 (69.8)

165 (50.3)

< 0.001

2.28 (1.71–3.04)

< 0.001

2.08 (1.51–2.85)

Non-syndromic

450 (88.2)

257 (78.4)

< 0.001

2.07 (1.42–3.02)

0.011

1.70 (1.13–2.56)

Maternal education ≤ 12 years

243 (47.6)

118 (36.0)

0.001

1.62 (1.22–2.15)

0.168

1.27 (0.91–1.77)

Low family income

324 (63.5)

166 (50.6)

< 0.001

1.70 (1.28–2.25)

0.043

1.41 (1.01–1.96)

Normal labor

418 (82.0)

200 (61.0)

< 0.001

2.91 (2.12–3.99)

< 0.001

2.43 (1.71–3.44)

At term gestation

469 (92.0)

250 (76.2)

< 0.001

3.57 (2.37–5.37)

< 0.001

3.50 (2.22–5.50)