Table 20. Basic characteristics of ST segment depressions in pre- and post-exercise ambulatory ECG. Values are means (±SE) (Study 4).

Variables

Men (n = 12)

  

Women (n = 11)

  

ANOVA significance

    
 

Pre-ex

Post-ex

Pre-ex

Post-ex

Gender

Time

Interaction

Number

3.33
(1.30)

2.00
(1.30)

3.50ü
(1.23)

3.70
(1.23)

.423

.698

.574

Duration
(min) a

50.1
(12.5)

30.7
(12.5)

10.7
(10.9)

12.4
(10.9)

.090

.384

.308

Peak absolute (mm)

-4.3
(.9)

-2.2
(.9)

-1.7
(.8)

-1.2
(.8)

.002

.309

.510

ST-deviation time (mmmin) b

-110.8
(8.0)

-59.3
(28.0)

-11.8
(24.2)

-13.8
(24.2)

.052

.344

.310

HR at onset (bpm) c

91.1
(4.7)

83.9
(6.2)

93.1
(4.1)

99.9
(5.0)

.162

.975

.210

Peak HR
(bpm) c

113.1
(7.6)

114.6
(8.0)

114.4
(6.6)

112.8
(6.8)

.982

.977

.614

HR-change
(%)

25.0
(5.8)

36.6
(7.6)

26.0
(5.0)

16.6
(6.1)

.216

.854

.147

a Sum of the duration of all ST segment depressions. b Sum of the ST-deviation time. c Heart rate at onset (HR at onset), peak heart rate (Peak HR) and change in heart rate (HR-change) during ST segment depressions.