QT

Age Group

Total

31 - 45

(13.9%)

46 - 60

(51.2%)

>61

(34.9%)

Normal

18

(78.3%)

62

(72.9%)

45

(77.6%)

125

Prolonged

5

(21.7%)

23

(27.1%)

13

(22.4%)

41

Total

23

(100%)

85

(100%)

58

(100%)

166