Table 1.
Comparison of correlative data between the CVC group and the chest tube group
| Variable | Value |
P value | |
| CVC group (n=214) | Chest tube group (n=193) | ||
| Drainage volume throughout the study (ml) | 890±150 | 840±110 | >0.05 |
| Operation time (min) | 4.5±1.5 | 9.4±3.0 | <0.05 |
| Surgical wound healing time (d) | 2.9±0.4 | 8.2±5.0 | <0.05 |
| Patients with analgesic treatment | 8 (3.7%) | 44 (22.8%) | <0.05 |
| Patients with wound infection | 0 (0%) | 15 (7.8%) | <0.05 |
| Patients with severe complications | 15 (7.0%) | 14 (7.3%) | >0.05 |
| Success rate by the first thoracic drainage | 175 (81.8%) | 154 (79.8%) | >0.05 |
| Catheter/tube indwelling time of successfully treated patients (d) | 4.6±2.5 | 5.0±1.7 | >0.05 |
| Medical costs of successfully treated patients (CNY) | 158.2±18.0 | 168.0±20.4 | >0.05 |