Table 1 Baseline characteristics of the repeat and primary sternotomy groups
From: Effect analysis of repeat sternotomy in pediatric cardiac operations
| Variable | RS (n = 195) | PS (n = 250) | P-value |
|---|---|---|---|
| Demographic | |||
| Age (year) | 5.2 (0.6–16.8) | 1.1 (0.1–15.0) | 0.000 |
| Gender (female) | 75 (38.5 %) | 99 (39.6 %) | 0.807 |
| Weight (kg) | 16.0 (5.0–55.0) | 10.0 (3.3–47.0) | 0.000 |
| Interval since last sternotomy (month) | 35 (2–144) | - | - |
| Operative | |||
| Major injury | 7 (3.6 %) | 0 | 0.003 |
| Incision-to-CPB time (min) | 96 (35–271) | 18 (15–37) | 0.000 |
| CPB time (min) | 126 (0–442) | 67 (0–206) | 0.000 |
| Cross-clamp time (min) | 64 (0–222) | 36 (0–153) | 0.000 |
| RBC requirement (units/kg) | 0.06 (0–5.2) | 0 (0–0.45) | 0.000 |
| Plasma requirement (mL/kg) | 16.7 (0–260) | 0 (0–64.5) | 0.000 |
| Chest tube drainage initial 24 h (mL/kg) | 11.1 (2.7-76.4) | 5.41 (2.5-18.5) | 0.000 |
| Ventilation time (h) | 21 (1–1433) | 9 (0–434) | 0.000 |
| ICU length of stay (d) | 3 (0–65) | 1 (0–35) | 0.000 |
| Outcomes | |||
| Renal failure | 6 (3.1 %) | 7 (2.8 %) | 0.863 |
| Low output syndrome | 5 (2.6 %) | 6 (2.4 %) | 1.000 |
| Sepsis | 5 (2.6 %) | 3 (1.2 %) | 0.306 |
| Sternal infection/dehiscence | 3 (1.5 %) | 1 (0.4 %) | 0.324 |
| Bleeding | 2 (1.0 %) | 1 (0.4 %) | 0.584 |
| Total morbidity | 21 (10.8 %) | 18 (7.2 %) | 0.125 |
| Mortality | 2 (1.0 %) | 2 (0.8 %) | 1.000 |