Table 1 Patient characteristics
No | Characteristic | Values (mean ± std. or frequency (%)) | |
|---|---|---|---|
1 | Age | 60.24 ± 7.31 | |
2 | Type of operation on the right lung | Operation is not on the right lung | 32 (40.51%) |
Right upper lobectomy | 18 (22.78%) | ||
Right bottom lobectomy | 14 (17.72%) | ||
Right middle lobe lobectomy | 3 (3.80%) | ||
Bilobectomy superior | 2 (2.53%) | ||
Bilobectomy inferior | 3 (3.80%) | ||
Right pneumonectomy | 7 (8.86%) | ||
3 | Type of operation on the left lung | Operation is not on the left lung | 47 (59.49%) |
Left upper lobectomy | 15 (18.99%) | ||
Left bottom lobectomy | 9 (11.39%) | ||
Left pneumonectomy | 8 (10.13%) | ||
4 | BMI (\(\frac{{\varvec{k}}{\varvec{g}}}{{{\varvec{m}}}^{2}}\)) | Underweight | 1 (1.27%) |
Normal weight | 33 (41.77%) | ||
Overweight | 29 (36.71%) | ||
Obesity | 16 (20.25%) | ||
5 | Type of respiratory function | Normal respiratory function | 33 (41.77%) |
Mild (stage I) | 39(49.37%) | ||
Moderate (stage II) | 6 (7.59%) | ||
Severe (stage III) | 1 (1.27%) | ||
6 | COPD index = (FEV1% + FEV1%/FVC)/100 | 1.66 ± 0.22 | |
7 | Preoperative FEV1%-preoperative forced expiratory volume in the first second % | 94.53 ± 15.63 | |
8 | Preoperative VC %-preoperative vital capacity % | 109.23 ± 15.87 | |
9 | Preoperative FVC %-preoperative forced vital capacity % | 107.86 ± 15.04 | |
10 | Preoperative VCin %-preoperative vital capacity in inspiration % | 105.51 ± 14.20 | |
11 | Preoperative FEV1%/FVC | 71.32 ± 9.41 | |
12 | TLC %-total lung capacity % | 116.27 ± 14.41 | |
13 | RV %-residual volume % | 137.13 ± 34.03 | |
14 | FRC (ITGV) %-functional residual capacity % | 133.67 ± 27.32 | |
15 | RV/TLC (% predicted) | 109.49 ± 20.25 | |
16 | FRC (ITGV) % (% predicted) | 107.51 ± 18.53 | |
17 | Mobility of the right hemidiaphragm measured radiographically | 4.16 ± 1.41 | |
18 | Mobility of the left hemidiaphragm measured radiographically | 4.08 ± 1.39 | |
19 | Mobility of the right hemidiaphragm measured by ultrasound | 68.25 ± 10.28 | |
20 | Mobility of the left hemidiaphragm measured by ultrasound | 62.58 ± 11.10 | |
21 | Preoperative PImax %-preoperative maximal inspiratory pressure % | 109.63 ± 35.76 | |
22 | Preoperative PEmax %-preoperative maximal expiratory pressure % | 92.19 ± 18.04 | |
23 | Preoperative snip %-preoperative “sniff” inspiratory pressure | 91.83 ± 23.26 | |
24 | The number of functional segments removed by the operation | 3.41 ± 2.02 | |
25 | The number of total functional segments in the lungs | 17.23 ± 1.07 | |
26 | Sex | Male | 45 (56.96%) |
Female | 34 (43.04%) | ||
27 | Cancer stage | Ia | 14 (17.72%) |
Ib | 13 (16.45%) | ||
IIa | 26 (32.91%) | ||
IIb | 10 (12.66%) | ||
IIIa | 15 (18.99%) | ||
IIIb | 1 (1.27%) | ||
28 | Pain after operation | 1st day | 29.41 ± 10.86 |
29 | 4th day | 18.85 ± 10.46 | |
30 | 7th day | 11.70 ± 8.02 | |
31 | Measured FEV1% after operation | 1st day | 44.68 ± 14.07 |
32 | 4th day | 50.95 ± 15.80 | |
33 | 7th day | 58.01 ± 14.78 | |