Table 2. Clinical characteristics of the patient, complications, and diagnostic efficiency of transbronchial cryobiopsy.
| Clinical characteristics of the patients | Mean ± standard deviation |
|---|---|
| Sex (female/male) | 179/194 |
| Age (years) | 52.6±12.4 |
| pH | 7.41±0.03 |
| PaCO2 (mmHg) | 39.9±5.4 |
| PaO2 (mmHg) | 86.3±23.7 |
| FEV1 (pre%) | 70.6±25.6 |
| FVC (pre%) | 71.1±25.1 |
| DLCO (pre%) | 53.5±28.8 |
| Bleeding severity, n (%) | |
| Grade 0 | 71 (19.0) |
| Grade 1 | 87 (23.3) |
| Grade 2 | 215 (57.6) |
| Grade 3 | 0 |
| Pneumothorax, n (%) | 19 (5.1) |
| Pathological diagnosis, n (%) | |
| Clear pathological diagnosis | 233 (62.5) |
| Possible pathological diagnosis | 21 (5.6) |
| Unknown pathological diagnosis | 119 (31.9) |
| MDD diagnosis, n (%) | 237 (63.5) |
pH, potential of hydrogen; PaCO2, partial pressure of carbon dioxide in arterial blood; PaO2, pressure of oxygen in arterial blood; FEV1, forced expiratory volume in the first second; FVC, the forced vital capacity; DLCO, the diffusing capacity of the lungs for carbon monoxide; MDD, multidisciplinary discussion.