Table 2 Distribution of socio-demographic variables and risk factors in myocardial infarction patients across defined clusters
Cluster number | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | Total | p | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Gender | Female | 371 (36.5) | 129 (20.3) | 165 (26.0) | 158 (29.8) | 281 (54.7) | 87 (23.8) | 66 (19.3) | 133 (41.2) | 99 (31.5) | 97 (41.1) | 54 (31.4) | 1640 (32.2) | <0.001 |
Age at onset | Median (IQRa) | 68.1 (16.9) | 45.7 (10.8) | 56.2 (14.7) | 63.2 (11.4) | 80.6 (12.1) | 54.6 (10.5) | 53.1 (6.3) | 69.1 (14.8) | 63.1 (8.0) | 72.2 (9.5) | 49.4 (10.4) | 61.5 (20.1) | <0.001 |
Ethnicity | White | 511 (50.2) | 284 (44.6) | 393 (61.9) | 242 (45.6) | 268 (52.1) | 114 (31.1) | 184 (53.8) | 165 (51.1) | 181 (57.6) | 82 (34.7) | 82 (47.7) | 2506 (49.3) | <0.001 |
Asian | 81 (8.0) | 59 (9.3) | 32 (5.0) | 46 (8.7) | 24 (4.7) | 66 (18.0) | 30 (8.8) | 30 (9.3) | 18 (5.7) | 42 (17.8) | 11 (6.4) | 439 (8.6) | ||
Black | 114 (11.2) | 107 (16.8) | 41 (6.5) | 78 (14.7) | 37 (7.2) | 71 (19.4) | 16 (4.7) | 47 (14.6) | 11 (3.5) | 40 (16.9) | 30 (17.4) | 592 (11.6) | ||
Other/mixed/missing | 311 (30.6) | 187 (29.4) | 169 (26.6) | 165 (31.1) | 185 (36.0) | 115 (31.4) | 112 (32.7) | 81 (25.1) | 104 (33.1) | 72 (30.5) | 49 (28.5) | 1550 (30.5) | ||
IMDb quintile | >2 - Least deprived | 316 (31.3) | 211 (33.3) | 192 (30.6) | 197 (37.5) | 167 (32.6) | 114 (31.5) | 136 (40.0) | 112 (35.0) | 118 (38.2) | 77 (32.6) | 43 (25.4) | 1683 (33.3) | 0.007 |
<3 - Most deprived | 695 (68.7) | 422 (66.7) | 436 (69.4) | 329 (62.5) | 346 (67.4) | 248 (68.5) | 204 (60.0) | 208 (65.0) | 191 (61.8) | 159 (67.4) | 126 (74.6) | 3364 (66.7) | ||
Hypercholesterolaemiac | Yes | 758 (76.2) | 459 (73.0) | 465 (74.4) | 406 (76.5) | 349 (70.8) | 278 (77.2) | 238 (72.8) | 242 (76.8) | 212 (70.7) | 166 (73.5) | 126 (74.6) | 3699 (74.4) | |
Smoking ever | Yes | 770 (77.4) | 497 (79.0) | 540 (86.4) | 370 (69.7) | 288 (58.4) | 275 (76.4) | 267 (81.7) | 221 (70.2) | 222 (74.0) | 148 (65.5) | 144 (85.2) | 3742 (75.3) | |
Polymedicationd | Yes | 434 (43.3) | 179 (28.7) | 207 (33.3) | 174 (33.3) | 211 (42.5) | 147 (40.7) | 100 (30.0) | 126 (39.4) | 109 (36.5) | 117 (51.5) | 60 (34.9) | 1864 (37.4) | |
Number of LTCe | Median (IQR) | 6.0 (3.0) | 5.0 (3.0) | 6.0 (4.0) | 5.0 (4.0) | 5.0 (2.8) | 5.0 (4.0) | 4.0 (3.0) | 6.0 (2.0) | 5.0 (3.0) | 6.0 (4.0) | 6.0 (5.0) | 5.0 (3.0) | <0.001 |
Status | Death | 454 (44.6) | 151 (23.7) | 171 (26.9) | 193 (36.3) | 346 (67.3) | 115 (31.4) | 134 (39.2) | 122 (37.8) | 163 (51.9) | 113 (47.9) | 35 (20.3) | 1997 (39.3) | <0.001 |
Total N (%) | 1017 (20.0) | 637 (12.5) | 635 (12.5) | 531 (10.4) | 514 (10.1) | 366 (7.2) | 342 (6.7) | 323 (6.3) | 314 (6.2) | 236 (4.6) | 172 (3.4) | 5087 |