Table 2 Characteristics of patients admitted to the matched reporting and non-reporting hospitals
Patient characteristic | Year 0 | Year 1 | Year 2 | All | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Reporting, n (%) (N = 6919) | Non-reporting, n (%) (N = 6170) | SD | Reporting, n (%) (N = 5267) | Non-reporting, n (%) (N = 5115) | SD | Reporting, n (%) (N = 2345) | Non-reporting, n (%) (N = 2352) | SD | Reporting, n (%) (N = 14,531) | Non-reporting, n (%) (N = 13,637) | SD | |
Sex | ||||||||||||
Male | 5044 (72.9) | 4440 (72.0) | 2.1 | 3922 (74.5) | 3709 (72.5) | 4.4 | 1681 (71.7) | 1685 (71.6) | 0.1 | 10,647 (73.3) | 9834 (72.1) | 2.6 |
Female | 1875 (27.1) | 1730 (28.0) | −2.1 | 1345 (25.5) | 1406 (27.5) | −4.4 | 664 (28.3) | 667 (28.4) | −0.1 | 3884 (26.7) | 3803 (27.9) | − 2.6 |
Age, years | ||||||||||||
18–64 | 2456 (35.5) | 2097 (34.0) | 3.2 | 1871 (35.5) | 1710 (33.4) | 4.4 | 768 (32.8) | 819 (34.8) | −4.4 | 5095 (35.1) | 4626 (33.9) | 2.4 |
65–74 | 1822 (26.3) | 1615 (26.2) | 0.4 | 1389 (26.4) | 1390 (27.2) | −1.8 | 626 (26.7) | 637 (27.1) | −0.9 | 3837 (26.4) | 3642 (26.7) | −0.7 |
75–84 | 1760 (25.4) | 1633 (26.5) | − 2.3 | 1362 (25.9) | 1323 (25.9) | 0.0 | 652 (27.8) | 579 (24.6) | 7.3 | 3774 (26.0) | 3535 (25.9) | 0.1 |
≥ 85 | 881 (12.7) | 825 (13.4) | −1.9 | 645 (12.2) | 692 (13.5) | −3.8 | 299 (12.8) | 317 (13.5) | −2.2 | 1825 (12.6) | 1834 (13.4) | −2.6 |
Killip class | ||||||||||||
Class 1 | 2878 (41.6) | 2683 (43.5) | −3.8 | 2120 (40.3) | 2300 (45.0) | −9.5 | 895 (38.2) | 1082 (46.0) | −15.9 | 5893 (40.6) | 6065 (44.5) | −7.9 |
Class 2 | 1937 (28.0) | 1727 (28.0) | 0.0 | 1531 (29.1) | 1347(26.3) | 6.1 | 730 (31.1) | 649 (27.6) | 7.8 | 4198 (28.9) | 3723 (27.3) | 3.5 |
Class 3 | 671 (9.7) | 550 (8.9) | 2.7 | 438 (8.3) | 439 (8.6) | −1.0 | 198 (8.4) | 185 (7.9) | 2.1 | 1307 (9.0) | 1174 (8.6) | 1.4 |
Class 4 | 878 (12.7) | 816 (13.2) | −1.6 | 700 (13.3) | 661 (12.9) | 1.1 | 298 (12.7) | 300 (12.8) | −0.1 | 1876 (12.9) | 1777 (13.0) | − 0.4 |
Missing | 555 (8.0) | 394 (6.4) | 6.3 | 478 (9.1) | 368 (7.2) | 6.9 | 224 (9.6) | 136 (5.8) | 14.2 | 1257 (8.7) | 898 (6.6) | 7.8 |