Table 1
Pulmonary function tests before and after discontinuation of nitrofurantoin
FVC
FEV
1
D
LCO
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%