what is the first age in which t waves are measured?
1 week
Age (ethnicity) n V1 V2 V3 V4 V5 V6
1 week - 1 y 210 92% 74% 27% 20% 0.5% 0%
1 y - 2 y 154 96% 85% 39% 10% 0.7% 0%
2 y - 5 y 202 98% 50% 22% 7% 1% 0%
5 y - 8 y 94 91% 25% 14% 5% 1% 1%
8 y - 16 y 90 62% 7% 2% 0% 0% 0%
Males
12 y - 13 y 209 47% 7% 0% 0% 0% 0%
13 y - 14 y 260 35% 4.6% 0.8% 0% 0% 0%
16 y - 19 y (whites) 50 32% 0% 0% 0% 0% 0%
16 y - 19 y (blacks) 310 46% 7% 2.9% 1.3% 0% 0%
20 - 30 y (whites) 285 41% 0% 0% 0% 0% 0%
20 - 30 y (blacks) 295 37% 0% 0% 0% 0% 0%
Females
12 y - 13 y 174 69% 11% 1.2% 0% 0% 0%
13 y - 14 y 154 52% 8.4% 1.4% 0% 0% 0%
16 y - 19 y (whites) 50 66% 0% 0% 0% 0% 0%
16 - 19 y (blacks) 310 73% 9% 1.3% 0.6% 0% 0%
20 - 30 y (whites) 280 55% 0% 0% 0% 0% 0%
20 - 30 y (blacks) 330 55% 2.4% 1% 0% 0% 0%
csv/202-csv/116.tsv