Variables n (%)

Total n = 150

Group A (n = 135)

Group B (n = 15)

P-value

Age

<65 years

>65 years

90 (60)

60 (40)

88 (97.8)

47 (78.3)

2 (2.2)

13 (22.7)

0.0001

Sex

Male

Female

110 (73.3)

40 (26.7)

95 (86.4)

40 (100)

15 (13.6)

0 (0)

0.01

NYHA class

I-II

III-IV

45 (30)

105 (70)

45 (100)

90 (85.7)

0 (0)

15 (14.3)

0.007

Beta Blockers

No

Yes

125 (83.3)

25 (16.7)

115 (92)

20 (80)

10 (8)

5 (20)

0.06

Amiodarone

No

Yes

142 (94.7)

8 (5.3)

134 (94.4)

1 (12.5)

8 (5.6)

7 (87.5)

0.000

PAP

<45 mmHg

>45 mmHg

100 (66.7)

50 (33.3)

96 (96)

39 (78)

4 (4)

11 (22)

0.66

Preoperative EF

>40%

<40%

98 (65.3)

52 (34.7)

90 (91.8)

45 (86.5)

8 (8.2)

7 (3.5)

0.3