Table 3 Bivariate analysis of demographic factors, electroencephalographic (EEG) findings and clinical history association with abnormal brain MRI findings
Variable | Total N (%) | Abnormal MRI | OR | 95%CI | p |
|---|---|---|---|---|---|
Age | |||||
Infant | 14 (9.52) | 12 (11.01) | 1.00 | ||
Child 1-4 years | 59 (40.14) | 45 (41.28) | 0.54 | 0.11–2.68 | 0.448 |
Child 5–9 years | 47 (31.97) | 36 (33.03) | 0.54 | 0.11–2.81 | 0.469 |
Child 10–17 years | 27 (18.37) | 16 (14.68) | 0.24 | 0.05–1.30 | 0.099 |
Sex | |||||
Female | 46 (31.29) | 34 (31.19) | 1.00 | ||
Male | 101 (68.71) | 75 (68.81) | 1.02 | 0.46–2.25 | 0.965 |
Region of descent | |||||
Central Uganda | 66 (44.90) | 48 (44.04) | 1.00 | ||
Northern Uganda | 11 (7.48) | 10 (9.17) | 3.75 | 0.45–31.42 | 0.223 |
Southern Uganda | 5 (3.40) | 4 (3.67) | 1.50 | 0.16–14.34 | 0.725 |
Eastern Uganda | 16 (10.88) | 12 (11.01) | 1.13 | 0.32–3.94 | 0.854 |
Western Uganda | 38 (25.85) | 26 (23.85) | 0.81 | 0.34–1.94 | 0.641 |
Non-Ugandan | 11 (7.48) | 9 (8.26) | 1.69 | 0.33–8.57 | 0.528 |
Birth asphyxia/perinatal trauma | |||||
No | 128 (87.07) | 92 (84.40) | 1.00 | ||
Yes | 18 (12.24) | 16 (14.48) | 0.32 | 0.70–1.46 | 0.141 |
EEG done | |||||
No | 64 (43.54) | 49 (44.95) | |||
Yes | 83 (56.46) | 60 (55.05) | 1.22 | 0.58–2.60 | 0.595 |
EEG abnormalities | |||||
No | 8 (9.64) | 3 (5.00) | 1.00 | ||
Yes | 75 (90.36) | 57 (95.00) | 5.28 | 1.15–24.28 | 0.033 |
EEG abnormalities distribution | |||||
Generalised | 18 (24.00) | 13 (22.81) | 1.00 | ||
Focal | 57 (76.00) | 44 (77.19) | 1.30 | 0.39–4.33 | 0.667 |
Frontal EEG abnormalities | |||||
No | 21 (36.84) | 14 (31.82) | 1.00 | ||
Yes | 36 (63.16) | 30 (68.18) | 2.50 | 0.71–8.83 | 0.155 |
Parietal EEG abnormalities | |||||
No | 29 (50.88) | 22 (50.00) | 1.00 | ||
Yes | 28 (49.12) | 22 (50.00) | 1.17 | 0.34–4.03 | 0.808 |
Occipital EEG abnormalities | |||||
No | 27 (47.37) | 19 (43.18) | 1.00 | ||
Yes | 30 (52.63) | 25 (56.82) | 2.11 | 0.59–7.47 | 0.249 |
Temporal EEG abnormalities | |||||
No | 12 (21.05) | 10 (22.73) | 1.00 | ||
Yes | 45 (78.95) | 34 (77.27) | 0.62 | 0.12–3.26 | 0.571 |