Table 2 Treatment modalities and clinical outcomes.
From: Prognostic factors and clinical outcomes of stenting on malignant central airway obstruction
Stent group (n = 215) | Non-Stent group (n = 72) | P value | |
|---|---|---|---|
Degree of stenosis after operation | 0.001 | ||
Grade I | 203 (94.41%) | 6 (8.33%) | |
Grade II | 12 (5.58%) | 66 (91.67%) | |
mMRC before operation | 3.51 ± 0.51 | 3.27 ± 0.50 | 0.352 |
mMRC after operation | 2.58 ± 0.31 | 2.91 ± 0.46 | 0.001 |
KPS before operation | 0.530 | ||
< 70 | 124 (57.67%) | 47 (65.27%) | |
80 | 169 (78.60%) | 61 (84.72%) | |
90 | 30 (13.93%) | 9 (12.50%) | |
KPS after operation | 0.002 | ||
< 70 | 53 (24.65%) | 28 (38.88%) | |
80 | 96 (44.65%) | 22 (30.56%) | |
90 | 66 (30.70%) | 22 (30.56%) | |
6MWD before operation | 318 ± 25.20 | 322 ± 34.15 | 0.853 |
6MWD after operation | 363 ± 29.28 | 330 ± 31.85 | 0.001 |
Borg before operation | 6.64 ± 2.04 | 7.03 ± 2.03 | 0.411 |
Borg after operation | 2.78 ± 1.52 | 4.50 ± 2.06 | 0.001 |
SF-6D before operation | 0.53 ± 0.12 | 0.52 ± 0.11 | 0.372 |
SF-6D after operation | 0.67 ± 0.09 | 0.61 ± 0.13 | 0.001 |
Bronchoscopy technique | 0.207 | ||
Flexible bronchoscope only | 168 (78.14%) | 51 (70.83%) | |
Rigid bronchoscope + flexible bronchoscope | 47 (21.86%) | 21 (29.17%) | |
Type of stent | - | ||
Covered metallic straight | 192 (89.3%) | - | |
Covered metallic Y | 12 (5.58%) | - | |
Silicone stent | 11 (5.12%) | - | |
Degree of emergency | 0.222 | ||
Emergency | 24 (11.16%) | 12 (16.67%) | |
Selective treatment | 191 (88.84%) | 60 (83.33%) | |
Early complications | 0.534 | ||
Respiratory distress | 6 (2.79%) | 4 (5.56%) | |
Bleeding | 29 (13.49%) | 10 (13.89%) | |
Late complications | 0.111 | ||
Increased secretion | 66 (30.70%) | 33 (45.83%) | |
Granulation tissue growth | 33 (15.35%) | 8 (11.11%) | |
Stents migration | 3 (1.40%) | 0 (0.00%) | |
Infection | 5 (2.33%) | 0 (0.00%) |