Table 2 Patient demographics and CABG procedure details

Age; median (IQR)

68 (60, 75)

73 (69, 78)

68 (60, 75)

0.67

Sex; n (%)

Male

54,695 (81%)

973 (97%)

55,668 (82%)

0.52

Female

12,452 (19%)

30 (3%)

12,482 (18%)

IMD decile; n (%)

1 (most deprived)

6217 (9%)

108 (11%)

6325 (9%)

0.10

2

6214 (9%)

91 (9%)

6305 (9%)

3

6365 (9%)

108 (11%)

6473 (9%)

4

6842 (10%)

106 (11%)

6948 (10%)

5

6925 (10%)

97 (10%)

7022 (10%)

6

7088 (11%)

101 (10%)

7189 (11%)

7

7092 (11%)

92 (9%)

7184 (11%)

8

6929 (10%)

102 (10%)

7031 (10%)

9

7009 (10%)

115 (11%)

7124 (10%)

10 (least deprived)

6466 (10%)

83 (8%)

6549 (10%)

CCI; median (IQR)

1 (1, 3)

2 (1, 3)

1 (1, 3)

0.28

CABG procedure

Year; n (%)

2013/14

14,884 (22%)

210 (21%)

15,094 (22%)

0.07

2014/15

14,512 (22%)

211 (21%)

14,723 (22%)

2015/16

13,326 (20%)

190 (19%)

13,516 (20%)

2016/17

12,702 (19%)

192 (19%)

12,894 (19%)

2017/18

11,723 (17%)

200 (20%)

11,923 (17%)

K40 Saphenous vein graft replacement of coronary artery; n (%)

59,113 (88%)

884 (88%)

59,997 (88%)

0.003

K41 Other autograft replacement of coronary artery; n (%)

3052 (5%)

24 (2%)

3076 (5%)

0.12

K42 Allograft replacement of coronary artery; n (%)

41 (0.1%)

-

41 (0.1%)

0.03

K43 Prosthetic replacement of coronary artery; n (%)

33 (0.1%)

1 (0%)

34 (0.1%)

0.02

K44 Other replacement of coronary artery; n (%)

374 (1%)

6 (1%)

380 (1%)

0.01

K45 Connection of thoracic artery to coronary artery; n (%)

59,306 (88%)

828 (83%)

60,134 (88%)

0.16

K46 Other bypass of coronary artery; n (%)

28 (0%)

-

28 (0%)

0.03