Table 1.
Patient characteristics
| Characteristic | Constant rate (n = 10) | Bolus (n = 10) | P value |
|---|---|---|---|
| Female | 3 | 3 | 1 |
| Age (y) | 70.5 (66-79) | 76.5 (69-81) | .36 |
| Nonsmoker | 2 | 2 | 1 |
| Body surface area (m2) | 1.62 (1.52-1.74) | 1.61 (1.51-1.73) | .63 |
| Type of segmentectomy | 1 | ||
| Upper lobe | 4 | 5 | |
| S1/S2/S1+2/S3 | 1/1/1/1 | 2/0/0/3 | |
| Lower lobe | 3 | 3 | |
| S6/S7/S8/S9+10 | 1/1/1/0 | 2/0/0/1 | |
| Upper division | 2 | 2 | |
| %VC | 107.8 (101.0-119.3) | 102.8 (92.0-106.4) | .09 |
| %FEV1 | 104.7 (97.7-121.1) | 104.4 (91.9-111.1) | .97 |
| FEV11.0% | 76.4 (72.1-79.7) | 76.6 (70.2-80.5) | .97 |
| Respiratory complication | 4 | 4 | 1 |
| COPD | 4 | 3 | |
| CPFE | 0 | 1 | |
| Heart vascular disease | 2 | 0 | |
| Liver cirrhosis | 0 | 0 |
Values are presented as n or median (interquartile range). VC, Vital capacity, FEV1, forced expiratory volume in 1 second; COPD, chronic obstructive pulmonary disease; CPFE, combined pulmonary fibrosis and emphysema.