Table 3 Subgroup analysis based on BMI [cases (%)/\(\:\stackrel{\text{-}}{\text{x}}\)±s]
Characteristic | N-BMI group | H-BMI group | |||||
|---|---|---|---|---|---|---|---|
RATS group (n = 58) | VATS group (n = 60) | P value | RATS group (n = 55) | VATS group (n = 53) | P value | ||
Operative time (min) | 82.84 ± 19.60 | 85.00 ± 19.70 | 0.553 | 86.39 ± 18.77 | 95.30 ± 14.47 | 0.022 | |
Intraoperative blood loss (mL) | 43.19 ± 10.63 | 51.08 ± 15.79 | 0.002 | 47.78 ± 10.62 | 59.55 ± 11.07 | < 0.001 | |
Total postoperative drainage flow (mL) | 197.59 ± 32.14 | 275.67 ± 33.33 | < 0.001 | 207.96 ± 41.73 | 285.76 ± 24.11 | < 0.001 | |
Duration of postoperative drainage (d) | 1.93 ± 0.70 | 3.15 ± 1.00 | 0.001 | 2.60 ± 0.71 | 3.73 ± 0.80 | 0.005 | |
Postoperative hospital stay (d) | 4.03 ± 1.04 | 5.72 ± 1.26 | < 0.001 | 4.63 ± 1.28 | 6.33 ± 1.02 | < 0.001 | |
Postoperative complications | 0.373 | 0.004 | |||||
Pneumonia | 2(3.4) | 2(3.3) | 2(3.6) | 4(7.5) | |||
Pulmonary atelectasis | 1(1.7) | 3(5.0) | 1(1.8) | 3(5.7) | |||
Arrhythmia | 1(1.7) | 1(1.7) | 1(1.8) | 2(3.8) | |||
Pleural effusion | 0 | 1(1.7) | 1(1.8) | 2(3.8) | |||
Total cost of hospitalization ($) | 7216.93 ± 324.96 | 5225.82 ± 814.30 | < 0.001 | 7352.05 ± 463.61 | 5356.54 ± 766.74 | < 0.001 | |