TABLE 5.
Characteristics of groups III and IV stratified by primary outcome
| Group III (LRS; n = 55) |
Group IV (TOF; n = 25) |
|||||
|---|---|---|---|---|---|---|
| Good outcomes | Poor outcomes | P value | Good outcomes | Poor outcomes | P value | |
| Patients | 53 (96%) | 2 (4%) | 22 (88%) | 3 (12%) | ||
| Age (mo) | 10.2 ± 2.9 | 4.8 ± 3.7 | .3 | 4.6 ± 2.5 | 2.2 ± 1.8 | .04 |
| Weight (kg) | 6.7 ± 3.5 | 4.3 ± 1.0 | .1 | 5.7 ± 1.2 | 3.8 ± 1.6 | <.01 |
| CPB time (min) | 73 ± 29 | 118 ± 37 | <.01 | 100 ± 37 | 120 ± 57 | .3 |
| Crossclamp time (min) | 50 ± 19 | 70 ± 23 | .02 | 59 ± 25 | 40 ± 24 | .1 |
| 12-h Post-CPB characteristics | ||||||
| HR (min−1) | 125 ± 23 | 138 ± 19 | .2 | 136 ± 19 | 138 ± 15 | .8 |
| MAP (mm Hg) | 66 ± 8 | 52 ± 8 | <.01 | 61 ± 10 | 62 ± 14 | .8 |
| Inotrope score | 6.5 ± 5.6 | 8.8 ± 7.6 | .4 | 6.5 ± 4.9 | 8.7 ± 9.1 | .4 |
| Serum lactate (mmol/L) | 1.2 ± 0.7 | 1.6 ± 1.3 | .4 | 1.4 ± 0.7 | 1.5 ± 0.5 | .8 |
| BUN (mg/dL) | 12.9 ± 5.9 | 15.2 ± 6.0 | .4 | 11.5 ± 4.9 | 13.3 ± 4.2 | .5 |
| Blood creatinine (mg/dL) | 0.44 ± 0.1 | 0.56 ± 0.21 | .04 | 0.47 ± 0.14 | 0.57 ± 0.15 | .3 |
| Secondary outcome characteristics | ||||||
| Hospital length of stay (d) | 6 (5-8) | 15 (10-21) | <.01 | 8 (6-10) | 11 (5-36) | .5 |
| Mechanical ventilation duration (d) | 0.8 (0.5-1.0) | 5.0 (0.5-6.0) | .3 | 1.0 (0.7-2.9) | 1.3 (0.7-36) | .6 |
| LCOS | 9 (19%) | 1 (50%) | .06 | 7 (28%) | 2 (66%) | .07 |
Data presented as mean ± SD, number (%), or median (interquartile range). CPB, Cardiopulmonary bypass; HR, heart rate; MAP, mean arterial pressure; BUN, blood urea nitrogen; LCOS, low cardiac output syndrome; LRS, left to right shunt; TOF, tetralogy of Fallot.