Table 2 Number and type of operations, risk assessment, and major post-operative complications progression following recommencement of surgery at both trust sites

Age, mean (SD)

66.5 (13.5)

67.4 (13.7)

0.683

Male

66 (68%)

89 (68.4%)

0.74

Ethnicity

White

74 (76%)

94 (72%)

0.654

Asian

2 (2%)

4 (3%)

0.43

Black

2 (2%)

4 (3%)

0.231

Other

19 (20%)

28 (22%)

0.343

Ischaemic heart disease

17 (17.5%)

20 (15.4%)

0.245

Chronic lung disease

17 (17.5%)

21 (16.2%)

0.62

Hypertension

62 (63.9%)

83 (63.8%)

0.544

Diabetes

19 (19.6%)

23 (17.7%)

0.4

Dyslipidaemia

30 (30.9%)

42 (32.3%)

0.254

Chronic kidney disease

12 (12.3%)

10 (7.6%)

0.37

Coagulopathy

3 (3.1%)

5 (3.8%)

0.5

Chronic liver disease

2 (2.1%)

3 (2.3%)

0.661

Malignancy

1 (1%)

2 (1.5%)

0.225

Type of operations

AVR

52

61

N/A

AVR + CABG

15

18

N/A

AVR + aortic

17

29

N/A

AVR + MVR

3

8

N/A

Multivalvular/complex

10

14

N/A

Euroscore II (median [IQR])

2.7 [1.9–5.2]

2.8 [1.5–5.2]

0.469

Urgent/emergency setting

57 (59%)

57 (43%)

0.026

NYHA/CCS III/IV

74 (76.3%)

101 (77.7%)

0.417

Endocarditis

11 (11.3%)

16 (12.3%)

0.55

Re-do operations

8 (8.2%)

24 (18.4%)

0.04

30-day mortality

0 (0%)

3 (2.3%)

0.2

Re-sternotomy for bleeding

3 (3.1%)

10 (7.7%)

0.167

TIA/stroke

2 (2.1%)

4 (3%)

0.38

New need for RRT

9 (9.3%)

7 (5.4%)

0.178

Pre-operative COVID-19

0 (0%)

0 (0%)

0.628

Post-operative COVID-19

0 (0%)

0 (0%)

0.628