Table 2.
Outcomes by Shunt Type1
| Overall (N=393) | MBTS (N=172) | RVPAS (n=221) | P* | ||||
|---|---|---|---|---|---|---|---|
| Mean±SD/N (%) | Median (IQR) | Mean±SD/N (%) | Median (IQR) | Mean±SD/N (%) | Median (IQR) | ||
| Number of inhospital deaths | 17 (4.3%) | 7 (4.1%) | 10 (4.5%) | 1.00 | |||
| Number of inhospital transplants | 3 (0.8%) | 1 (0.6%) | 2 (0.9%) | 1.00 | |||
| Length of hospital stay, days*** | 13.9±17.0 | 8 (6, 13) | 12.5±13.9 | 8 (6, 11.5) | 15.0±19.1 | 8 (6, 15.0) | 0.07 |
| Total ventilated days*** | 4.0±12.3 | 2 (1, 3) | 3.1±5.7 | 2 (1, 3) | 4.8±15.7 | 2 (1, 3.5) | 0.34 |
| Total ICU days*** | 8.0±14.3 | 4 (3, 7) | 7.2±10.8 | 4 (3, 6) | 8.6±16.6 | 4 (3, 8) | 0.11 |
| Number of SAEs or complications | 1.2±2.5 | 0 (0, 1) | 1.1±1.8 | 0 (0, 2) | 1.3±3.0 | 0 (0, 1) | 0.84 |
| 0 | 210 (53.4%) | 91 (52.9%) | 119 (53.8%) | 0.96 | |||
| 1 | 85 (21.6%) | 37 (21.5%) | 48 (21.7%) | ||||
| ≥ 2 | 98 (24.9%) | 44 (25.6%) | 54 (24.4%) | ||||
| Number of concurrent procedures** | 0.9±1.2 | 1 (0, 1) | 0.9±1.1 | 1 (0, 1) | 0.9±1.3 | 1 (0,1) | 0.77 |
| 0 | 174 (44.3%) | 76 (44.2%) | 98 (44.3%) | 0.58 | |||
| 1 | 147 (37.4%) | 68 (39.5%) | 79 (35.8%) | ||||
| ≥ 2 | 72 (18.3%) | 28 (16.3%) | 44 (19.9%) | ||||
1
Refers to shunt type in place at the end of the Norwood procedure
*
P-values obtained from Wilcoxon rank sum test and Fisher exact test
**
Includes post-operative procedures during stage II hospitalization
***
Excluding deaths and transplants
MBTS: modified Blalock-Taussig shunt; RVPAS: right ventricle-to-pulmonary artery shunt; ICU: intensive care unit; SAE: serious adverse event; SD: standard deviation; IQR: interquartile range