Table 1.

Participant characteristics

	Controls	HFpEF
Demographics
Age, yr	70 ± 3	69 ± 6
Sex (men/women)	7/5	6/9
Height, m	1.72 ± 0.1	1.70 ± 0.1
Weight, kg	72.3 ± 11	109 ± 14**
BMI, kg/m2	27.4 ± 1.9	38.2 ± 7.3**
Pulmonary function
FVC, %predicted	115 ± 17	85 ± 14**
FEV1, %predicted	104 ± 13	83 ± 13**
FEV1/FVC, %	71 ± 5	76 ± 11
TLC, %predicted	113 ± 13	96 ± 16**
DLCO, %predicted	108 ± 14	69 ± 19**
DLCO/VA, %predicted	109 ± 16	110 ± 28

Data are means ± SD. BMI, body mass index; DLCO, diffusing capacity of the lung for carbon monoxide; FVC, forced vital capacity; FEV₁, forced expired volume in one second; HFpEF, heart failure with preserved ejection fraction; TLC, total lung capacity; V_A, alveolar volume. **P < 0.01.