Table 3.
Clinical features and outcomes stratified by procedure type
| Characteristic | Surgical Bx (n=1099) | Bronchoscopy (n=1679) | Needle Bx (n=1583) | Mediastinoscopy (n=392) |
|---|---|---|---|---|
|
| ||||
| Clinical Features | ||||
| Age (mean, SD) | 63.9 (5.1) | 64.17 (5.1) | 63.77 (5.0) | 63.95 (5.1) |
| Male | 670 (61.0%) | 1046 (62.3%) | 1007 (63.6%) | 248 (63.3%) |
| BMI (≥30) | 204 (18.6%) | 308 (18.3%) | 311 (19.6%) | 62 (15.8%) |
| Pack years (mean, SD) | 60.66 (30.6) | 62.79 (31.1) | 61.33 (30.0) | 61.82 (29.1) |
| Pack Years (≥30) | 976 (88.8%) | 1513 (90.1%) | 1371 (86.6%) | 362 (92.3%) |
| Smoking Status | ||||
| CS | 480 (43.7%) | 804 (47.9%) | 710 (44.9%) | 173 (44.1%) |
| FS | 619 (56.3%) | 875 (52.1%) | 873 (55.1%) | 219 (55.9%) |
| Comorbidities | ||||
| COPD | 200 (18.2%) | 307 (18.3%) | 280 (17.7%) | 63 (16.1%) |
| Diabetes | 74 (6.7%) | 134 (8.0%) | 124 (7.8%) | 23 (5.9%) |
| History of Myocardial Infarction | 144 (13.1%) | 259 (15.4%) | 222 (14.0%) | 63 (16.1%) |
| Hypertension | 381 (34.7%) | 570 (33.9%) | 543 (34.3%) | 121 (30.9%) |
| History of Stroke | 46 (4.2%) | 68 (4.1%) | 60 (3.8%) | 18 (4.6%) |
| Liver Disease | 44 (1.5%) | 68 (2.2%) | 77 (2.5%) | 9 (0.3%) |
| Any History of Cancer | 67 (2.2%) | 109 (3.6%) | 83 (2.74%) | 15 (0.5%) |
| DCCI** | 0.34 (0.59) | 0.38 (0.62) | 0.37 (0.63) | 0.33 (0.59) |
| Screening / Diagnostic | ||||
| Screening Protocol | ||||
| X-Ray Arm | 616 (56.1%) | 904 (53.8%) | 803 (50.7%) | 202 (51.5%) |
| Control Arm | 483 (43.9%) | 775 (46.2%) | 738 (46.6%) | 190 (48.5%) |
| Lung Cancer Status | ||||
| Confirmed | 1010 (91.9%) | 1560 (92.9%) | 1416 (89.5%) | 377 (96.2%) |
| No Cancer | 78 (7.1%) | 108 (6.4%) | 118 (7.5%) | 14 (3.6%) |
| Other / Unconfirmable | 11 (1.0%) | 11 (0.7%) | 49 (3.1%) | 1 (0.3%) |
| Symptomatic | 479 (43.6%) | 1045 (62.2%) | 926 (58.5%) | 216 (55.1%) |
*
() Indicates percentage for categorical variables and SD for linear variables.
**
Deyo Charleson Comorbidity Index
FS = Former Smoker
CS = Current Smoker