TABLE 3. Increase in Proportion of ES-Positive Patients Resulting From Increasing the Recording Time from One Hour to Sixteen Hours (Recording 1 and 2)

Time From Start of Recording (h)No. of Positive Recordings (%)
Symptomatic PatientsAsymptomatic Patients
Recording 1(N=12)(N=15)
    11 (8.3)0 (0)
    25 (50)1 (6.7)
    36 (41.7)1 (6.7)
    47 (58.3)1 (6.7)
    58 (66.7)2 (13.3)
    69 (75)3 (20)
    79 (75)3 (20)
    89 (75)4 (26.7)
Recording 2(N=10)(N=15)
    99 (75)4 (26.7)
    109 (75)4 (26.7)
    119 (75)5 (33.3)
    129 (75)6 (40)
    139 (75)6 (40)
    149 (75)6 (40)
    159 (75)6 (40)
    169 (75)7 (46.7)