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. 2020 Feb;32(1):36–42. doi: 10.21147/j.issn.1000-9604.2020.01.05

2. PFTs pre-chemotherapy and post-chemotherapy.

Parameters Pre-chemotherapy ( Inline graphic ) Post-chemotherapy ( Inline graphic ) P
PFTs, pulmonary function tests; FVC, forced vital capacity; FEV1, forced expiratory volume in 1 second; FEV1%, FEV1/FVC; MMEF25−75, maximum mid-expiratory flow; MVV, maximal voluntary ventilation; TLC, total lung capacity; RV, residual volume; VC, vital capacity; VT, tidal volume; DLCO, carbon monoxide diffusing capacity; DLCO%, percentage of the DLCO predicted value.
Ventilation function
 FVC (L) 3.03±0.55 3.07±0.58 0.406
 FEV1 (L/s) 2.41±0.41 2.39±0.46 0.598
 FEV1% 79.97±7.78 77.75±5.98 0.061
 MMEF25−75(L/s) 2.30±0.67 2.14±0.69 0.141
 MVV (L/s) 89.85±19.81 97.89±20.15 0.004
Lung capacity
 TLC (L) 4.63±0.85 4.54±0.84 0.283
 RV (L) 1.66±0.47 1.64±0.37 0.822
 RV/TLC 35.59±5.31 36.15±5.53 0.649
 VC (L) 3.09±0.50 3.09±0.59 0.914
 VT (L) 0.64±0.29 0.68±0.21 0.341
Diffusion function
 DLCO (mmoL/kPa/min) 6.93±0.81 5.86±1.08 <0.001
 DLCO% 90.2±11.8 78.8±14.2 <0.001