Total Patients | Summer | Autumn | Winter | Spring | p – value (Winter versus other seasons) | |||
---|---|---|---|---|---|---|---|---|
no. | n (%) | n (%) | n (%) | n (%) | vs Summer | vs Autumn | vs Spring | |
All Cases | 8371 | 1648 (19.7) | 2015 (24.1) | 2839 (33.9) | 1869 (22.3) | 0.018 | 0.020 | 0.023 |
Acute MI | 2374 | 491 (20.7) | 541 (22.8) | 714 (30.1) | 628 (26.4) | 0.012 | 0.015 | 0.082 |
Old MI | 566 | 108 (19.1) | 141 (24.9) | 210 (37.1) | 107 (18.9) | 0.005 | 0.021 | 0.016 |
NSTEMI | 475 | 65 (13.7) | 125 (26.3) | 191 (40.2) | 94 (19.8) | 0.002 | 0.009 | 0.002 |
Unstable Angina | 1277 | 262 (20.5) | 336 (26.3) | 423 (33.1) | 256 (20.1) | 0.003 | 0.063 | 0.004 |
Stable Angina | 411 | 39 (9.5) | 66 (16.1) | 192 (46.7) | 114 (27.7) | 0.039 | 0.037 | 0.126 |
Acute LVF | 1582 | 354 (22.4) | 401 (25.3) | 513 (32.5) | 314 (19.8) | 0.050 | 0.079 | 0.017 |
ICM / HF / DCM | 471 | 64 (13.5) | 89 (18.9) | 199 (42.3) | 119 (25.3) | 0.041 | 0.056 | 0.122 |
Syncope | 78 | 9 (11.5) | 18 (23.1) | 34 (43.6) | 17 (21.8) | 0.001 | 0.003 | 0.012 |
Arrhythmia | 358 | 80 (22.3) | 106 (29.6) | 119 (33.3) | 53 (14.8) | 0.052 | 0.485 | 0.059 |
Cardiac Death | 779 | 176 (22.6) | 192 (24.6) | 244 (31.3) | 167 (21.5) | 0.044 | 0.050 | 0.014 |