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Table 3 Comparison of parameters according to the need for second procedure or reoperation

From: Fetal cardiac parameters for predicting postnatal operation type of fetuses with tetralogy of Fallot

Parameter

 

Observation

(N = 82)

Procedure or reoperation

(N = 8)

P-value

PVA z-score

Second trimester

−3.0 (−5.8 ─ 2.2)

−4.1 (− 5.4 ─ -2.7)

0.049

 

Third trimester

−3.0 (−5.3 ─ -0.6)

− 4.5 (− 5.4 ─ -2.7)

< 0.001

RPA z-score

Second trimester

−0.2 (− 3.1 ─ 1.8)

−1.1 (− 3.1 ─ 0.0)

0.031

 

Third trimester

−0.4 (−2.6 ─ 1.2)

−1.1 (− 2.6 ─ 0.5)

0.004

PV-PSV (m/s)

Second trimester

1.1 (0.7 ─ 1.6)

1.3 (0.8 ─ 1.4)

0.342

 

Third trimester

1.2 (0.8 ─ 2.8)

1.3 (0.8 ─ 1.5)

0.927

PVA/AVA

RPA/DAo

Third trimester

0.78 (0.58 ─ 1.14)

0.67 (0.49 ─ 0.80)

0.003

Second trimester

0.75 (0.48 ─ 1.12)

0.63 (0.45 ─ 0.81)

0.021

  1. Data are expressed as medians (ranges)
  2. PVA pulmonary valve annulus, RPA right pulmonary artery, PV-PSV pulmonary valve peak systolic velocity, AVA aortic valve annulus, DAo descending aorta