Table 3.
An automated line-clearing chest tube system after cardiac surgery: chest tube related complication and drainage comparison
| Automated clearance | Conventional patients | P value | |
|---|---|---|---|
| Tube duration, h | 76.5 [61.1-95.0] | 75.6 [65.4-98.2] | .49 |
| 1-h output | 105 [71.3-195] | 60 [35.5-155.5] | .33 |
| 6-h output | 270 [153.8-470] | 256.5 [207.5-377.5] | .92 |
| 24-h output | 700.0 [512.3-1038] | 710 [435-935] | .67 |
| Final output | 1289 [766.3-1890] | 1150 [750-1590] | .76 |
| Takeback for bleeding | 0 [0%] | 0 [0%] | .57 |
| Pneumothorax | 0 [0%] | 0 [0%] | N/A |
| Pleura effusion drained | 0 [0%] | 0 [0%] | N/A |
| Pericardiocentesis | 0 [0%] | 0 [0%] | N/A |
| Readmit of effusion | 1 [3.7%] | 3 [3.75%] | >.99 |
N/A, Not available. Values are reported as median [IQR] except those labeled with mean.