Shortening of atrioventricular delay at increased atrial paced heart rates improves diastolic filling and functional class in patients with biventricular pacing

Table 3 Optimal AV Delay at Different Paced Atrial Rates in the Study Patients

Heart rate (bpm)	N	Optimal AV delay(ms)*	95% Confidence Interval	Minimum AV delay(ms)	Maximum AV delay(ms)
60	9	201 ± 48	169.64-232.36	190	230
70	36	187 ± 44	172.63-201.37	100	280
80	25	146 ± 42	129.54-162.46	80	200
90	21	123 ± 49	102.04-143.96	50	250

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