Table 2.

Values of P-SAECG traits in the reference sample without cardiovascular disease or risk factors^∗

		2.5%	25%	50%	75%	97.5%
Total P-wave duration (ms)	Women	93	111	118	127	146
	Men	104	120	128	140	158
Standardized P-wave duration (ms)	Women	90	105	114	123	146
	Men	101	115	124	138	157
Integral of P wave (μVms)	Women	252	504	637	798	1116
	Men	286	512	666	810	1170
Root mean square voltage in terminal 20 ms (mV)	Women	1	2	3	4	8
	Men	1	2	3	4	8
Root mean square voltage in terminal 30 ms (mV)	Women	1	3	4	6	9
	Men	1	2	4	5	10
Root mean square voltage in terminal 40 ms (mV)	Women	2	4	5	7	10
	Men	2	3	4	6	11
Root mean square voltage in the entire P wave (mV)	Women	3	6	7	9	12
	Men	3	5	7	8	12

P-SAECG = P-wave signal-averaged electrocardiography.

^∗Reference sample, n = 1752 (1079 women and 673 men).