Table 2.

Electrocardiogram performed in the visit: basic analysis

	Patients (N = 31)	Controls (N = 31)	P-value
Electrocardiogram
Heart rate (BPM), mean(SD)	72.4(12.2)	70.0(11.1)	p = 0.531
PR interval (MS), median(IQR)	160.3(46.2)	160.2(40.0)	p = 0.555
P-wave mean (MS), median(IQR)	80.1(40.0)	80.2(20.1)	p = 0.341
P-wave max (MS), median(IQR)	100.0 (30)	94.0(28.0)	p = 0.495
P-wave min (MS), median(IQR)	73.0(15.5)	70.0(20.0)	p = 0.852
P-wave dispersion (MS), median(IQR)	25.0(10.0)	19.0(18.0)	p = 0.016
P-wave axis (º), mean(SD)	41.2(25.0)	43.3(25 + 21.9)	p = 0.732
PTFV1 > 5000 MS ΜV, N(%)	7.0(22.6)	5.1(16.1)	p = 0.561

Statistically significant results are shown in bold

IQR interquartile range, SD standard deviation