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Table 6 Relationship between abnormal ECG findings and variables

From: Electrocardiographic pattern of apparently healthy African adolescent athletes in Nigeria

Variables No of abnormal ECGs Total
Athletes (N = 180) Non-Athletes (N = 180)
Gender
 Male 59 (67.8) 45 (70.3) 104
 Female 28 (32.2) 19 (29.7) 47
 Total 87 (100.0) 64 (100.0) 151
 Test Statistic χ2 = 4.286, p = 0.038 χ2 = 4.401, p = 0.036  
Age groups
 10–12 16 (18.4) 30 (46.9) 46
 13–15 39 (44.8) 29 (45.3) 68
 16–18 32 (36.8) 5 (7.8) 37
 Total 87 (100.0) 64 (100.0) 151
 Test Statistic χ2 = 2.379, p = 0.304 χ2 = 1.982, p = 0.371  
BMI
 Underweight 23 (26.4) 23 (35.9) 46
 Normal 57 (65.5) 32 (50.0) 89
 Overweight 6 (6.9) 6 (9.4) 12
 Obesity 1 (1.2) 3 (4.7) 4
 Total 87 (100.0) 64 (100.0) 151
 Test Statistic χ2 = 2.715, p = 0.438 χ2 = 0.957, p = 0.853  
  1. BMI Body Mass Index