Table 1.
PFT results of the two patients with chest pain variant asthma.
| Case 1 | Case 2 | |||||
| Items | Baseline (December 13, 2018) | Post-albuterol (December 13, 2018) | 10 months after treatment (October 26, 2019) | Baseline (October 10, 2019) | Post-inhalation of methacholine (October 10, 2019) | One month after treatment (November 14, 2019) |
| FVC (L) | 1.41 (predicted 1.95) | 2.05 | 1.72 | 2.02 (predicted 2.52) | 1.35 | 2.44 |
| FEV1 (L) | 1.12 (predicted 1.59) | 1.63 | 1.32 | 1.72 (predicted 2.12) | 1.08 | 2.06 |
| FEV1% pred (%) | 70.44 | 102.52 | 83.02 | 81.13 | 50.94 | 97.17 |
| FEV1/FVC (%) | 79.43 | 79.51 | 76.74 | 85.15 | 80.00 | 84.43 |
| PEF (L/s) | 4.78 (predicted 5.07) | 6.24 | 5.87 | 5.10 (predicted 5.74) | 3.78 | 5.68 |
| MMEF (L/s) | 0.59 (predicted 2.39) | 1.70 | 0.94 | 1.80 (predicted 2.95) | 0.87 | 2.26 |
| FEF50 (L/s) | 1.10 (predicted 3.08) | 2.41 | 1.69 | 2.52 (predicted 3.56) | 1.37 | 3.22 |
| FEF75 (L/s) | 0.18 (predicted 0.92) | 0.56 | 0.26 | 0.72 (predicted 1.34) | 0.33 | 0.77 |
FEF: Forced expiratory flow; FEF50/75: Forced expiratory flows at 50% and 75% of the exhaled vital capacity; FEV1: Forced expiratory volume in 1 s; FEV1% pred: Percentage of predicted FEV1; FVC: Forced vital capacity; MMEF: Maximum mid-expiratory flow; PEF: Peak expiratory flow; PFT: Pulmonary function testing.