Table 1.
ECG LVH and stroke risk factors
| Variables | Total (n=725) |
Stroke with LVH (n=397) |
Stroke with LVH (n=328) |
Test No statistic | p-value |
|---|---|---|---|---|---|
| Mean (SD) | |||||
| Baseline age | 59.1 (13.2) |
57.9 (12.8) | 60.6 (13.4) | 2.764 | 0.006 |
| Age group | |||||
| 18–45 yrs | 122 (16.8) | 79 (19.9) | 43 (13.1) | ||
| 46–65 yrs | 379 (52.3) | 169 (51.5) | 210 (52.9) | ||
| > 65 yrs | 224 (30.9) | 108 (27.2) | 116 (35.4) | 8.857 | 0.012 |
| Sex (%) | |||||
| Male | 394 (54.3) | 192 (48.4) | 202 (61.6) | 12.66 | <0.001 |
| Female | 331 (45.7) | 205 (51.6) | 126 (38.4) | ||
| Blood Pressure | |||||
| Mean Systolic Blood Pressure(mmHg) | 160.3 (32.8) |
167.1 (31.6) |
151.7 (32.4) |
6.203 | <0.001 |
| Mean Diastolic Blood Pressure(mmHg | 95.6 (18.5) |
99.5 (18.4) | 90.6 (17.5) | 6.305 | <0.001 |
| Mean Heart rate(beat/min) | 91.2 (27.9) |
91.5 (29.0) | 90.8 (26.2) | 0.318 | 0.75 |
| Average SBP >140mmHg (%) | 449 (68.0) | 281 (76.2) | 168 (57.7) | 25.381 | < 0.001 |
| Average DBP > 90 mmHg (%) | 372 (56.4) | 247 (66.9) | 125 (43.0) | 38.046 | <0.001 |
| Other risk factors (%) | |||||
| Body Mass Index > 30kg/ht2 | 85 (22.9) | 43 (22.9) | 42 (23.0) | 0 | 0.986 |
| Increased Waist to Hip ratio | 503 (90.6) | 280 (92.7) | 223 (88.1) | 3.39 | 0.066 |
| Diabetes Mellitus (%) | 288 (39.7) | 155 (39.0) | 133 (40.5) | 0.17 | 0.68 |
| Current use of alcohol (%) | 127 (18.1) | 67 (17.4) | 60 (18.9) | 0.253 | 0.615 |
| Heavy alcohol drinking | 10 (1.5) | 4 (1.1) | 6 (2.0) | 0.95 | 0.33 |
| Currently smoking | 19 (2.7) | 8 (2.1) | 11 (3.5) | 1.269 | 0.26 |
| Dyslipidemia | 532 (73.4) | 289 (72.8) | 243 (74.1) | 0.153 | 0.696 |
| No exercise | 153 (21.1) | 77 (19.4) | 76 (23.2) | 1.537 | 0.215 |
| Cardiac disease | 117 (16.1) | 62 (15.6) | 55 (16.8) | 0.176 | 0.675 |
| Family history of stroke | 99 (13.7) | 52 (13.1) | 47 (14.3) | 0.231 | 0.631 |
| Family history of CVD | 268 (37.0) | 143 (36.0) | 125 (38.1) | 0.337 | 0.562 |
| Eating green leafy vegetables: never | 223 (33.0) | 130 (35.0) | 93 (30.5) | 1.567 | 0.211 |
| Meat: regularly | 579 (85.0) | 326 (86.7) | 253 (83.0) | 1.861 | 0.173 |
| Salt on food after cooking | 83 (12.0) | 44 (11.7) | 39 (12.3) | 0.073 | 0.787 |
ECG =electrocardiograhic, LVH=left ventricular hypertrophy