Table 2 Description of the cases included in the study, by the distance between their residence and the closest HVOL and by voltage category (very high (225–400 kV) or high (63–150 kV)) over the period 2002–2007
From: Childhood leukaemia close to high-voltage power lines – the Geocap study, 2002–2007
Distance from the closest HVOL | |||||||
|---|---|---|---|---|---|---|---|
225–400 kV HVOL | 63–150 kV HVOL | ||||||
0–49 m | 50–199 m | ⩾200 m | 0–49 m | 50–199 m | ⩾200 m | Total | |
Gender | |||||||
Female | 4 | 12 | 1246 | 7 | 26 | 1229 | 1262 |
Male | 5 | 12 | 1500 | 7 | 28 | 1482 | 1517 |
Age | |||||||
<5 years | 6 | 11 | 1291 | 8 | 24 | 1276 | 1308 |
5–9 years | 3 | 10 | 858 | 2 | 18 | 851 | 871 |
10–14 years | 0 | 3 | 597 | 4 | 12 | 584 | 600 |
Down’s syndrome | 0 | 0 | 43 | 0 | 0 | 43 | 43 |
AL type | |||||||
ALL | 8 | 21 | 2250 | 13 | 46 | 2220 | 2279 |
B-cell precursor ALL | 6 | 12 | 1056 | 8 | 25 | 1041 | 1074 |
T-cell ALL | 0 | 0 | 173 | 1 | 4 | 168 | 173 |
Other ALL | 2 | 9 | 1021 | 4 | 17 | 1011 | 1032 |
AML | 1 | 2 | 428 | 1 | 6 | 424 | 431 |
Other AL | 0 | 1 | 68 | 0 | 2 | 67 | 69 |
