Table 3 Associations between age at complete repair of TOF and length of stay and postoperative complication

Age at repair

−0.05 ± 0.01

− 0.02 ± 0.01

0.99 (0.99–1.00)

0.99 (0.99–1.00)

≤ 30 days

Reference

–

Reference

Reference

–

31–90 days

−12.52 ± 3.31

− 5.95 ± 2.98

0.54 (0.34–0.84)

0.66 (0.40–1.11)

91–180 days

− 18.38 ± 3.48

−8.72 ± 3.20

0.45 (0.31–0.66)

0.60 (0.39–0.92)

>  180 days

−18.63 ± 3.54

0.44 (0.31–0.64)

0.60 (0.40–0.89)

 Male

Reference

Reference

–

–

 Female

−0.18 ± 1.05

1.19 (0.92–1.53)

 White

Reference

Reference

–

–

 Non-White

0.56 ± 1.90

1.29 (0.98–1.71)

 Medicare/Medicaid

Reference

Reference

Reference

Reference

–

–

 Private including HMO

−2.82 ± 1.04

−1.78 ± 0.96

−1.95 ± 0.96

1.09 (0.85–1.39)

 Self-pay/no charge/other

−0.08 ± 2.7

0.83 ± 2.36

0.69 ± 2.36

0.88 (0.51–1.54)

 Elective

Reference

Reference

Reference

Reference

Reference

 Non-elective

14.32 ± 2.72

10.17 ± 2.49

11.36 ± 2.52

1.56 (1.15–2.13)

1.28 (0.91–1.78)

1.34 (0.99–1.83)

 Chromosomal anomalies

2.95 ± 2.17

–

–

0.95 (0.65–1.39)

–

 Heart catheterization

15.72 ± 4.90

11.13 ± 4.37

11.81 ± 4.49

2.62 (1.67–4.10)

2.26 (1.41–3.62)

2.35 (1.48–3.73)

 Gastrostomy tube insertion

49.47 ± 11.45

42.39 ± 11.31

0.36 (0.16–0.82)

0.28 (0.12–0.69)

0.27 (0.11–0.66)

 Small

Reference

–

Reference

Reference

Reference

 Medium

0.61 ± 3.70

0.62 (0.41–0.94)

0.67 (0.44–1.03)

0.68 (0.43–1.07)

 Large

0.60 ± 3.19

0.82 (0.53–1.27)

0.87 (0.57–1.33)

0.88 (0.56–1.36)