Table 4 Frequency of admissions

Total number of preoperative hospital admissions

1.88 ± 1.36

1.72 ± 1.90

0.166

Total number of postoperative hospital admissions

0.130 ± 1.12

0.19 ± 0.56

0.627

Preoperative outpatient visits for cardiac problems*

5.56 ± 5.58

6.32 ± 7.89

0.856

Preoperative outpatient visits for problems related to other organ systems**

0.21 ± 0.97

1.38 ± 4.04

0.022

Total number of preoperative outpatient visits

5.77 ± 5.63

7.7 ± 10.63

0.478

Postoperative outpatient visits for cardiac problems

0.81 ± 2.78

1.38 ± 2.29

0.003

Postoperative outpatients visits for problems related to other organ system

0.49 ± 1.80

0.25 ± 0.90

0.819

Total number of postoperative outpatient visits

1.30 ± 4.54

1.62 ± 2.78

0.003

Preoperative emergency visits

1.33 ± 1.40

1.44 ± 2.51

0.175

Postoperative emergency visits

0.43 ± 0.53

0.39 ± 1.00

0.402