Table.

Patient Characteristics and Prevalence of Atrial Fibrillation

	NCD(N=154)	HFpEF(N=275)
Age, years	56±15	68±11*
Female, n (%)	90 (58)	171 (62)
Body mass index, kg/m2	28.4±5.6	33.1±7.3*
Diabetes, n (%)	20 (14)	76 (29)*
Hypertension, n (%)	84 (55)	232 (84)*
Sinus rhythm, n (%)	148 (96)	180 (65)*
Paroxysmal atrial fibrillation, n (%)	5 (3)	48 (18)*
Persistent or Permanent atrial fibrillation, n (%)	1 (1)	47 (17)*

NCD, non-cardiac dyspnea; HFpEF, heart failure with preserved ejection fraction,

^*p<0.001 vs NCD by T test, Chi square, or Fisher’s Exact Test