Table 2.
Pre-operative characteristics
| Thoracoscopic group (n = 75) | Open group (n = 34) | p value | |||||
|---|---|---|---|---|---|---|---|
| 25 % | Median | 75 % | 25 % | Median | 75 % | ||
| Heart rate | 121 | 133 | 147 | 130 | 140 | 150 | .418 |
| Mean blood pressure | 42.0 | 48.0 | 54.0 | 42.5 | 47.5 | 51.0 | .776 |
| pH | 7.32 | 7.37 | 7.42 | 7.30 | 7.38 | 7.43 | .826 |
| pO2 (kPa) | 11.93 | 15.48 | 20.01 | 12.66 | 17.34 | 21.21 | .312 |
| pCO2 (kPa) | 4.75 | 5.54 | 6.53 | 5.05 | 5.85 | 6.50 | .343 |
| BE | −2.4 | −1.0 | 2.0 | −3.2 | −1.2 | 2.6 | .605 |
| Highest pCO2 (kPa) | 6.24 | 7.02 | 8.90 | 6.33 | 7.45 | 8.96 | .749 |
| Lowest pCO2 (kPa) | 3.20 | 3.60 | 4.00 | 3.42 | 3.70 | 3.92 | .758 |
| Lactate (mmol/l) | 0.8 | 1.1 | 1.4 | 1.0 | 1.2 | 1.5 | .224 |
| Urine output (ml/2 h) | 16 | 25 | 35 | 16 | 23 | 34 | .936 |
Comparison of preoperative characteristics in median with 25 and 75 percentiles. The data are the latest preoperative characteristics. Blood gas samples are preductal. Highest and lowest pCO2 are between admission PICU and surgical repair