Table 1.
Pulmonary function tests before and after discontinuation of nitrofurantoin
| FVC | FEV1 | DLCO mL·min−1·mmHg−1 | Tiffeneau Index | |
| Initial encounter | 1.78 L (56%) | 1.83 L (62%) | 10.14 (49%) | 87% |
| 6-week follow-up | 2.25 L (71%) | 1.7 L (69%) | 13.4 (65%) | 76% |
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