Table 6.
Clinical and procedure characteristics stratified by patient population
| Characteristic | DM (n=248) | Non-DM (n=2784) | P-Value |
|---|---|---|---|
|
| |||
| Clinical Features | |||
| °°Age (mean, SD) | 64.76 (5.06) | 64.15 (5.11) | 0.07 |
| Male | 189 (76.2%) | 1733 (62.3%) | <0.001 |
| BMI (≥30) | 98 (39.5%) | 485 (17.4%) | <0.001 |
| °°Pack Years (mean, SD) | 63.52 (32.45) | 61.66 (31.24) | 0.37 |
| Pack Years (≥30) | 223 (89.9%) | 2465 (88.5%) | 0.51 |
| Smoking Status | |||
| CS | 77 (31.0%) | 1350 (49.1%) | <0.001 |
| FS | 171 (69.0%) | 1434 (52.2%) | |
| Comorbidities | |||
| COPD | 47 (19.0%) | 511 (18.4%) | 0.82 |
| History of Myocardial Infarction | 72 (29.0%) | 363 (13.0%) | <0.001 |
| Hypertension | 146 (58.9%) | 901 (32.4%) | <0.001 |
| History of Stroke | 13 (5.24%) | 96 (3.45%) | 0.15 |
| Liver Disease | 7 (2.8%) | 129 (4.6%) | 0.19 |
| Any History of Cancer | 15 (6.1%) | 167 (6.0%) | 0.97 |
| DCCI** | 1.43 (0.63) | 0.27 (0.52) | <0.001 |
| Procedure | |||
| Surgical Biopsy | 74 (29.8%) | 1025 (36.8%) | 0.03 |
| Bronchoscopy | 134 (54.0%) | 1545 (55.5%) | 0.66 |
| Needle Biopsy | 124 (50.0%) | 1417 (50.9) | 0.77 |
| Mediastinoscopy | 23 (9.3%) | 369 (13.3%) | 0.07 |
| Other Procedure | 132 (53.2) | 1643 (59.0%) | 0.08 |
| °°Procedure category sum | 1.9637 (1.0848) | 2.1548 (1.111) | 0.01 |
| Complications | |||
| Major | 9 (3.6%) | 149 (5.4%) | 0.24 |
| Intermediate | 23 (9.3%) | 547 (19.6%) | <0.001 |
| Minor | 7 (2.8%) | 137 (4.9%) | 0.14 |
| Any Complication | 30 (12.1%) | 661 (23.7%) | <0.001 |
| Respiratory | 19 (7.7%) | 439 (15.8%) | 0.001 |
| Cardiac | 7 (2.8%) | 162 (5.8%) | 0.0487 |
| Infectious | 3 (1.2%) | 134 (4.8%) | 0.01 |
**
() Indicates percentage for categorical variables and SD for linear variables.
**
Deyo Charleson Comorbidity Index
°°
Pooled-t test was employed. For all other variables chi-squared test was applied.