Table 2.

Estimation of PAC frequency with 1-day recordings vs. 14-day recordings

Overall 14-day PAC frequency
PAC frequency Day 1	0–99 (n = 4518)	100–499 (n = 1874)	500–999 (n = 556)	1000–4999 (n = 887)	5000–9999 (n = 213)	10 000 (n = 197)
0–99	4312 (95.4%)	501 (26.7%)	54 (9.7%)	42 (4.7%)	3 (1.4%)	2 (1.0%)
100–499	204 (4.5%)	1187 (63.3%)	189 (34.0%)	86 (9.7%)	5 (2.3%)	4 (2.0%)
500–999	2 (<1%)	136 (7.3%)	185 (33.3%)	117 (13.2%)	4 (1.9%)	1 (0.5%)
1000–4999	0 (0.0%)	50 (2.7%)	121 (21.8%)	564 (63.6%)	58 (27.2%)	7 (3.6%)
5000–9999	0 (0.0%)	0 (0.0%)	5 (0.9%)	65 (7.3%)	103 (48.4%)	32 (16.2%)
≥10 000	0 (0.0%)	0 (0.0%)	2 (0.4%)	13 (1.5%)	40 (18.8%)	151 (76.6%)
Total	100%	100%	100%	100%	100%	100%

PAC, premature atrial complex.