Table 2.

Assessment of the number of premature complexes per exercise stress test, expressed as median (IQR). The degree of agreement was evaluated using intraclass correlation coefficients (ICC) with 95% CI.

	12-lead ECGa, median (IQR)	Patch ECG, median (IQR)	ICCb (95% CI)	P value for mean difference
PACc exercise	2 (0-18)	1 (0-20)	0.998 (0.982-1.000)	0.41
PAC recovery	0 (0-33)	0 (0-33)	0.998 (0.989-1.000)	0.66
PAC total	2 (0-51)	1 (0-52)	1.000 (0.997-1.000)	0.79
PVCd exercise	2 (0-41)	1 (0-41)	1.000 (0.999-1.000)	0.18
PVC recovery	5 (1-36)	4 (1-36)	0.998 (0.988-1.000)	0.66
PVC total	8 (1-75)	5 (2-74)	1.000 (0.997-1.000)	0.18

^aECG: electrocardiogram.

^bICC: intraclass correlation coefficient.

^cPAC: premature atrial contraction.

^dPVC: premature ventricular contraction.