Table 2.
Comparison of postoperative Treg/NK subpopulation with preoperative levels in VATS and thoracotomy groups by one-way ANOVA Dunnett t-test
| Treg/NK | Sampling day | Value (%) | P |
|---|---|---|---|
| VATS | |||
| Treg | Preoperative | 7.61 ± 3.08 | |
| POD 1 | 5.88 ± 2.81 | 0.004 | |
| POD 3 | 5.83 ± 3.39 | 0.003 | |
| POD 7 | 5.32 ± 3.15 | 0.000 | |
| POD 30 | 5.05 ± 3.13 | 0.000 | |
| POD 90 | 5.26 ± 2.75 | 0.000 | |
| NK | Preoperative | 18.44 ± 6.19 | |
| POD 1 | 15.38 ± 6.39 | 0.038 | |
| POD 3 | 19.15 ± 6.23 | 0.961 | |
| POD 7 | 20.78 ± 6.62 | 0.169 | |
| POD 30 | 24.86 ± 8.03 | 0.000 | |
| POD 90 | 25.90 ± 8.52 | 0.000 | |
| Thoracotomy | |||
| Treg | Preoperative | 8.01 ± 4.20 | |
| POD 1 | 5.98 ± 2.59 | 0.079 | |
| POD 3 | 6.43 ± 3.30 | 0.240 | |
| POD 7 | 6.39 ± 2.70 | 0.219 | |
| POD 30 | 5.76 ± 2.71 | 0.042 | |
| POD 9 | 6.99 ± 3.60 | 0.645 | |
| NK | Preoperative | 19.28 ± 7.63 | |
| POD 1 | 12.60 ± 5.68 | 0.001 | |
| POD 3 | 12.90 ± 4.54 | 0.002 | |
| POD 7 | 16.16 ± 7.40 | 0.282 | |
| POD 30 | 20.86 ± 7.02 | 0.848 | |
| POD 90 | 22.72 ± 7.34 | 0.201 |
POD: Postoperative day; NK: Natural killer; VATS: Video-assisted thoracoscopic; Treg: Regulatory T-cells.