Table 7 Frequency distribution of abnormal ECG findings according to sporting characteristics of athletes
From: Electrocardiographic pattern of apparently healthy African adolescent athletes in Nigeria
Sporting Characteristics | Abnormal ECG | Total n(%) | Test Statistic | |
|---|---|---|---|---|
No n(%) | Yes n(%) | |||
Number of sporting disciplines | ||||
 ≤ 2 | 73 (49.5) | 73 (50.5) | 146 | χ2 = 0.860 |
 > 2 | 20 (51.1) | 14 (48.9) | 34 | p = 0.354 |
 Total | 93 (51.7) | 87 (48.3) | 180 |  |
Cadre of competitive participation | ||||
 Intra-school and inter-school | 38 (46.9) | 43 (53.1) | 81 | χ2 = 1.332 |
 Intra-school alone | 55 (55.6) | 44 (44.4) | 99 | p = 0.248 |
 Total | 93 (51.7) | 87 (48.3) | 180 |  |
No of training days per week | ||||
 ≤ 3 | 64 (50.8) | 52 (49.2) | 116 | χ2 = 1.606 |
 > 3 | 29 (52.2) | 35 (47.8) | 64 | p = 0.205 |
 Total | 93 (51.7) | 87 (48.3) | 180 |  |
Duration of regular training: no of hours per week | ||||
 ≤ 3 | 84 (53.5) | 76 (46.5) | 160 | χ2 = 0.525 |
 > 3 | 5 (47.3) | 7 (52.7) | 12 | p = 0.469 |
 Total | 89 (51.7) | 83 (48.3) | 172 |  |