Characteristics at baseline, age at end of study and mortality status
| Cause of death* | |||||
|---|---|---|---|---|---|
| Total | Sudden CHD | Non-sudden CHD | Non-CHD | Alive | |
| All patients | 2167 | 184 | 78 | 719 | 1186 |
| ECG | |||||
| Low risk | 1966 | 150 (81.5%) | 73 (93.6%) | 646 (89.8%) | 1097 (92.5%) |
| High risk | 201 | 34 (18.5%) | 5 (6.4%) | 73 (10.2%) | 89 (7.5%) |
| Age (years) | |||||
| Mean (SD) | 46.3 | 54.7 (6.8) | 54.4 (7.8) | 53.7 (8.6) | 39.9 (11.1) |
| Age group (years) | |||||
| <45 | 864 | 19 (10.3%) | 8 (10.3%) | 100 (13.9%) | 737 (62.1%) |
| 45–49 | 352 | 21 (11.4%) | 11 (14.1%) | 110 (15.3%) | 210 (17.7%) |
| 50–54 | 346 | 48 (26.1%) | 16 (20.5%) | 147 (20.4%) | 135 (11.4%) |
| 55–59 | 353 | 52 (28.3%) | 22 (28.2%) | 198 (27.5%) | 81 (6.8%) |
| ≥60 | 252 | 44 (23.9%) | 21 (26.9%) | 164 (22.8%) | 23 (1.9%) |
| Age at event/censoring years | |||||
| Mean (SD) | 71.9 | 71.3 (8.7) | 72.7 (8.0) | 74.1 (10.2) | 70.6 (10.6) |
| Peak flow rate (L/min) | |||||
| <430 | 316 | 39 (21.2%) | 18 (23.1%) | 170 (23.6%) | 89 (7.5%) |
| 430 – <490 | 385 | 42 (22.8%) | 20 (25.6%) | 163 (22.7%) | 160 (13.5%) |
| 490 – <550 | 584 | 54 (29.3%) | 22 (22.8%) | 176 (24.5%) | 332 (28.0%) |
| ≥550 | 878 | 49 (26.6%) | 18 (23.1%) | 208 (28.9%) | 603 (50.8%) |
| Missing | 4 | 2 | 2 | ||
| Systolic blood pressure (mm Hg) | |||||
| Mean (SD) | 139 | 152 (24) | 153 (29) | 143 (22) | 134 (19) |
| Missing | 3 | ||||
| Body mass index (kg/m2) | |||||
| Mean (SD) | 25.0 | 26.4 (3.0) | 26.2 (2.9) | 25.1 (3.0) | 24.7 (3.0) |
| Missing | 2 | 1 | 1 | ||
| Smoking status | |||||
| Never | 575 | 24 (13.0%) | 14 (17.9%) | 106 (14.7%) | 431 (36.3%) |
| Ex-smoker | 544 | 59 (32.1%) | 18 (23.1%) | 190 (26.4%) | 277 (23.4%) |
| Current smoker | 1048 | 101 (54.9%) | 46 (59.0%) | 423 (58.8%) | 478 (40.3%) |
| Previous angina | |||||
| No | 2093 | 168 (91.3%) | 72 (92.3%) | 684 (95.1%) | 1169 (98.6%) |
| Yes | 74 | 16 (8.7%) | 6 (7.7%) | 35 (4.9%) | 17 (1.4%) |
| Cholesterol (mmol/L) | |||||
| Mean (SD) | 5.91 | 6.45 (1.29) | 6.64 (1.28) | 6.04 (1.10) | 5.71 (1.13) |
| Missing | 124 | 10 | 4 | 43 | 67 |
| Fibrinogen (g/L) | |||||
| ≤3.5 | 1729 | 120 (65.2%) | 51 (65.4%) | 535 (74.4%) | 1023 (86.3%) |
| >3–4 | 217 | 36 (19.6%) | 16 (20.5%) | 91 (12.7%) | 74 (6.2%) |
| >4 | 126 | 20 (10.9%) | 8 (10.3%) | 65 (9.0%) | 33 (2.8%) |
| Missing | 95 | 8 | 3 | 28 | 56 |
| Factor VII (% of standard) | |||||
| Mean (SD) | 108 | 118 (30) | 115 (30) | 111 (27) | 104 (26) |
| Missing | 94 | 7 | 2 | 29 | 56 |
*Representing 8.5%, 3.6%, 33.2% and 54.7% of the participants, respectively.
CHD, coronary heart disease.