Table 2 Perioperative and postoperative data
Variables | VATS (n = 24) | Thoracotomy (n = 36) | P Values |
|---|---|---|---|
Maximum dimension of the tumor (cm) (mean ± SD) | 6.93 ± 1.61 | 7.43 ± 2.09 | 0.26 |
Pathology (n (%)) | 0.031 | ||
Adenocarcinoma | 14(58.3) | 23(63.9) | |
Squamous cell carcinoma | 7(29.2) | 11(30.6) | |
Large cell carcinoma | 3(12.5) | 2(5.6) | |
Operation (n (%)) | 0.237 | ||
Lobectomy | 22(91.6) | 26(72.2) | |
Bilobectomy | 1(4.2) | 10(27.8) | |
Pneumonectomy | 1(4.2) | 0(0) | |
Operative duration (minutes) (mean ± SD) | 228.75 ± 91.88 | 260.17 ± 102.78 | 0.784 |
Overall number of nodal stations dissected (mean ± SD) | 5.13 ± 1.26 | 4.89 ± 1.03 | 0.352 |
Intraoperative complication (n (%)) | 1(5)a | 2(5.6) | 0.240 |
Drainage time(days) (mean ± SD) | 5.00 ± 3.43 | 8.14 ± 4.95 | 0.009 |
Length of stay (days) (mean ± SD) | 5.42 ± 2.32 | 9.11 ± 5.31 | 0.001 |
Nodal status (n (%) | 0.494 | ||
N0 | 17(70.8) | 22(61.1) | |
N1 | 5(20.8) | 7(19.4) | |
N2 | 2(8.3) | 7(19.4) | |
Postoperative pathological staging (n (%)) | 0.914 | ||
Stage II | 9(37.5) | 14(38.9) | |
Stage III | 15(62.5) | 22(61.1) | |
Follow-up time(months) (mean ± SD) | 27.67 ± 6.02 | 26.36 ± 5.24 | 0.784 |
Adjuvant therapy (n (%)) | 17(70.8) | 26(72.2) | 1.00 |
Time interval between surgery and adjuvant therapy (days) (mean ± SD) | 43.71 ± 14.45 | 49.96 ± 15.04 | 0.081 |