Retrospective Study
Copyright ©The Author(s) 2024.
World J Clin Cases. Aug 6, 2024; 12(22): 4913-4923
Published online Aug 6, 2024. doi: 10.12998/wjcc.v12.i22.4913
Figure 4
Figure 4 Comparison of the levels of pulmonary function indicators between the two groups. A: 1-s forced expiratory volume (FEV1); B: Forced vital capacity (FVC); C: FEV1/FVC.