Table 3.
Abnormal electrocardiographic findings in SCA patients and controls
| Findings | Frequency (%) | χ|-Square | P-Value | |
| SCA | Controls | |||
| SCA | Controls | |||
| Left atrial enlargement | 24 (40) | 0 (0) | 30.00 | < .001* |
| LVH | 45 (75) | 1 (1.7) | 68.25 | < .001* |
| RVH | 8 (13.3) | 0 (0) | 8.57 | .003* |
| Biventricular Hypertrophy | 7 (11.7) | 0 (0) | 7.43 | .006* |
| 1st degree AV Block | 14 (23.3) | 0 (0) | 15.85 | <. 001* |
| RBBB | 5 (8.3) | 0 (0) | 5.22 | .022* |
| ST-segment elevation | 6(10) | 0 (0) | 0.02741*a | |
| T-wave inversion in the right precordial leads. |
8 (13.33) | 1 (1.7) | 0.03219*a | |
| Prolonged QTc | 37 (61.7) | 0 (0) | 53.49 | <.001* |
| QTc dispersion > 90 msec | 33 (55.0) | 0(0) | 45.52 | < .001* |
*
Statistically significant (degree of freedom = 1), LVH-left ventricular hypertrophy, RVH-right ventricular hypertrophy, RBBB-right bundle branch block, SCA-Sickle cell anaemia, a =Fishers exact test.