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. 2014;13(2):27–34.

Table 3.

Comparison of FVC < LLN along with FEV1/FVC ≥ LLN; with lung volume measurements by plethysmography.

TLCb<LLN TLC≥LLN Total
FVCa<LLN and FEV1/FVC≥LLN 225 66 291
FVC≥LLN or FEV1/FVC <LLN 3 234 237
Total 228 300 528
a

FVC: Forced vital capacity

b

TLC: Total lung capacity