| 检测结果 | 痰涂片 | 灌洗液涂片 | 痰培养 | 灌洗液培养 | 灌洗液Xpert | 灌洗液mNGS |
| 阳性 | 40 (22.9) | 47 (26.9) | 59 (33.7) | 74 (42.3) | 98 (56.0) | 108 (61.7) |
| 阴性 | 135 (77.1) | 128 (73.1) | 117 (66.3) | 101 (57.7) | 77 (44.0) | 67 (38.3) |
| 合计 | 175 (100.0) | 175 (100.0) | 175 (100.0) | 175 (100.0) | 175 (100.0) | 175 (100.0) |