Characteristics at presentation for 81 191 consecutive patients with MI with and without COPD in Sweden between 2005 and 2010
| Non-COPD | COPD | p Value | |
|---|---|---|---|
| Number of patients | 76 324 (94.0) | 4867 (6.0) | |
| Presenting symptoms | <0.001 | ||
| Chest pain | 63 143 (82.9) | 3191 (65.6) | |
| Dyspnoea | 5429 (7.1) | 1092 (22.5) | |
| Cardiac arrest | 836 (1.1) | 45 (0.9) | |
| Other | 6343 (8.3) | 505 (10.4) | |
| Delays from symptom onset | |||
| Symptom onset to ER <12 h | 41 897 (88.7) | 2461 (87.6) | 0.092 |
| Symptom onset to ICCU <12 h | 60 084 (87.4) | 3508 (84.0) | <0.001 |
| Symptom onset to PCI <12 h | 17 623 (91.9) | 690 (91.1) | 0.488 |
| Clinical findings | |||
| Pulmonary oedema | 1542 (2.1) | 140 (3.0) | <0.001 |
| Heart rate | 80±23 | 90±25 | <0.001 |
| Systolic blood pressure | 147±30 | 141±30 | <0.001 |
| Diastolic blood pressure | 84±17 | 80±18 | <0.001 |
| Lab findings | |||
| Total cholesterol | 5.1±1.2 | 4.8±1.2 | <0.001 |
| LDL | 3.1±1.1 | 2.8±1.0 | <0.001 |
| HDL | 1.2±0.4 | 1.3±0.5 | <0.001 |
| Creatinine | 95±57 | 100±60 | 0.001 |
| CRP | 25±50 | 38±60 | <0.001 |
| Hb | 138±18 | 134±18 | <0.001 |
| Presenting ECG | |||
| Rhythm | <0.001 | ||
| Sinus | 66 131 (86.7) | 3958 (81.4) | |
| Atrial fibrillation/flutter | 7686 (10.1) | 706 (14.5) | |
| QRS | <0.001 | ||
| Normal | 47 474 (62.7) | 2711 (56.1) | |
| LBBB | 4329 (5.7) | 397 (8.2) | |
| RBBB | 3231 (4.3) | 300 (6.2) | |
| ST-T segment | <0.001 | ||
| Normal | 14 595 (19.2) | 941 (19.4) | |
| ST elevation | 27 012 (35.5) | 1294 (26.7) | |
| ST depression | 16 717 (22.0) | 1205 (24.8) | |
| Abnormal T wave | 7681 (10.1) | 528 (10.9) | |
| Other | 9056 (11.9) | 791 (16.3) | |
The mean and SD are presented for continuous variables and count and percentage for categorical variables.
COPD, chronic obstructive pulmonary disease; CRP, C reactive protein; ER, emergency room; Hb, haemoglobin; HDL, high-density lipoprotein; ICCU, intensive coronary-care unit; LDL, low-density lipoprotein; LBBB, left bundle branch block; PCI, percutaneous coronary intervention; RBBB, right bundle branch block.