Table 2.
Preoperative echocardiographic characteristics
| Total | PV-SR | p | ||
|---|---|---|---|---|
| No | Yes | |||
| (n = 115) | (n = 30) | (n = 85) | ||
| Preoperative echocardiography | ||||
| Maximal instantaneous RVOT gradient (mmHg)a | 72.00 (70.00 to 83.00) | 80.00 (70.00 to 92.00) | 71.00 (67.25 to 80.00) | .069c |
| Pulmonary valve annulus (cm)a | 1.00 (0.90 to 1.30) | 0.80 (0.70 to 1.02 | 1.10 (0.90 to 1.30) | < 0.001 c |
| Pulmonary valve annulus Z-scorea | -1.72 (-2.60 to -0.59) | -3.00 (-4.80 to -1.75) | -1.64 (-2.31 to -0.37) | < 0.001 c |
| Peripheral pulse oximetry (%)a | 80.00 (70.00 to 87.00) | 76.00 (71.50 to 88.00) | 82.00 (70.00 to 87.00) | .782c |
| Hemoglobin (g/dl)b | 17.00 ± 4.07 | 16.84 ± 4.12 | 17.34 ± 4.16 | .571d |
Abbreviations: PV-SR Pulmonary Valve - Sparing Repair; RVOT Right ventricular outflow tract; mmHg millimeters of mercury; cm centimeter; % percent; p p-value for general statistical tests
a median (interquartile range)
b mean ± standard deviation
c Mann-Whitney test
d Independent samples t-test