Table 3.

Number of atrial extrasystoles a day in the non-AF and AF groups

	AF			Non-AF
Day	Mean (SD)	Median	Range	Mean (SD)	Median	Range	p Value*
1	667 (1716)	80	18–7314	305 (649)	99	5–4022	0.89
2	620 (1551)	81	9–6565	544 (1176)	80	7–4765	0.97
3	1251 (1334)	646	5–4839	520 (1100)	41	5–4637	0.004
4	1275 (1874)	366	5–5563	577 (953)	54	7–3009	0.014

*Mann-Whitney U test.