Table 5 Binary logistic regression and multivariable analysis among children with congenital heart disease in selected governmental hospitals and cardiac center Addis Ababa, Ethiopia 2021

  0–12 months

40 (52.6%)

36 (47.4%)

1

  13 months-5 years

45 (32.4%)

94 (67.6%)

0.434 (0.231,0.816)

0.01*

  6–15 years

59 (37.3%)

99 (62.7%)

0.684 (0.363,1.287)

0.239

  Yes

69 (53.1%)

61 (46.9%)

2.203 (1.367,3.551)

0.001*

  No

75 (30.9%)

168 (69.1%)

1

Age of surgery

1.072 (1.001,1.049)

0.046*

Hgb level

0.869 (0.792,0.955)

0.03*

  Employee

56 (33.7%)

110 (66.3%)

1

  Farmer

19 (61.3%)

12 (38.7%)

9.677 (0.945,99.094)

0.056

  Merchant

10 (16.7%)

50 (83.3%)

0.384 (0.157,0.944)

0.037*

  Self employed

22 (44.9%)

27 (55.1%)

1.810 (0.547,5.994)

0.332

  Yes

30 (34.1%)

58 (65.9%)

1

  No

22 (50%)

22 (50%)

2.993 (1.111,8.065)

0.03*

Age of surgery

1.040 (1.007,1.074)

0.018*

SPO₂ level

0.970 (0.943,0.998)

0.037*

  0–12 months

46 (60.5%)

30 (39.5%)

1

  13 months-5 years

56 (46.3%)

83 (59.7%)

0.360 (0.183,0.711)

0.003*

  6-10 years

41 (35%)

76 (65%)

0.439 (0.212,0.909)

0.027*

  Yes

63 (53.4%)

55 (46.6%)

1.834 (1.043,3.226)

0.035*

  No

80 (37.4%)

134 (62.6%)

  Yes

67 (53.2%)

59 (46.8%)

1.885 (1.094,3.246)

0.022*

  No

76 (36.9%)

130 (63.1%)

1

Hgb

0.814 (0.731,0.906)

0.00001*

SPO₂

0.936 (0.906,0.968)

0.00008*