Table 5.

Window filtering statistics for each cohort.

	MIMIC	UCLA
Total minutes, No., mins	1,535,413	240,241
Valid minutes, No., mins	115,388	35,601
Total heartbeats, No	9,791,870	2,935,846
Total windows per patient, median (IQR)	8376. (4509.3–16,656.3)	4087.0 (2627.5–5414.5)
Valid windows per patient, median (IQR)	411.5 (90.8–1076.0)	254.0 (67–743)
Total record length per patient, median (IQR), mins	4467.2 (2404.9–8883.3)	2179.7 (1401.3–2887.7)
Valid record length per patient, median (IQR), mins	219.5 (48.4–573.9)	135 (35.7–396.5)
Median (IQR), %	4.8 (1.1–12.9)	8.5 (2.2–24.9)
Mean (SD), %	9.6 (12.4)	15.5 (17.3)
Min/Max %	0.01/63.8	0.02/71.5