A Higher Tidal Volume May Be Used for Athletes according to Measured FVC

Table 2

Measured and predicted spirometric values (mL).

Males	Measured	Predicted	δ
	Athletes, 𝑛=156
FVC	5808±81.9^∗	5252±49.5^∗	+555.9±61.7
FEV1	4831±58.9^∗	4396±40.9^∗	+434.8±45.8
FEV1/FVC	83.69±0.48^∗	82.07±0.12^∗	+1.6±0.47
	Nonathletes, 𝑛=113
FVC	4715±70.0^∗∗	4856±53.9^∗∗	−141.2±55.3
FEV1	3876 ± 58.4^∗∗	4006±48.5^∗∗	−129.9±45.2
FEV1/FVC	82.8±0.6^∗	80.6±0.2^∗	+2.2±0.6
Females	Measured	Predicted	δ
	Athletes, 𝑛=95
FVC	4364±70.8^∗	4008±46.3^∗	+355.9±55.0
FEV1	3757±57.3^∗	3484±40.2^∗	+273.4±45.8
FEV1/FVC	86.34±0.52^∗	83.73±0.09^∗	+2.6±0.50
	Nonathletes, 𝑛=122
FVC	3294±62.1^∗	3157±51.8^∗	+137.0±35.6
FEV1	2779±54.8	2717±48.2	+61.9±32.9
FEV1/FVC	84.3±0.6^∗	81.6±0.2^∗	+2.7±0.6

FVC: forced vital capacity, FEV₁: forced expiratory volume in one second, m: measured, and pr: predicted according to ECSC equation. [10] ^∗𝑃<0.0001, ^∗∗𝑃<0.05.