Variables

Values (Mean SD)

T- Test

P- Value

Male

Female

Heart rate (beat/min)

67.07 (15.27)

69.35 (9.48)

0.739

0.463

P-wave duration (msec)

117.22 (15.26)

117.90 (12.86)

0.175

0.862

P-wave dispersion (msec)

58.13 (3.74)

58.30 (4.96)

0.027

0.978

PR-interval

(msec)

176.80 (29.91)

172.60 (17.51)

0.585

0.561

QRS duration

(msec)

86.43 (10.77)

78.65 (8.88)

2.835

0.0061^*

QRS dispersion

(msec)

44.78 (2.73)

47.00 (3.42)

2.802

0.0067^*

QT-interval (msec)

391.41 (44.65)

389.20 (23.93)

.208

0.836

QTc-interval

(msec)

408.65 (15.18)

419.40 (14.81)

2.680

0.0099^*

QTc- dispersion

52.57 (2.95)

63.00 (5.85)

9.652

˂ 0.0001^*