what is the first age in which t waves are measured?
1 week
col : age (ethnicity) | n | v1 | v2 | v3 | v4 | v5 | v6 row 1 : 1 week - 1 y | 210 | 92% | 74% | 27% | 20% | 0.5% | 0% row 2 : 1 y - 2 y | 154 | 96% | 85% | 39% | 10% | 0.7% | 0% row 3 : 2 y - 5 y | 202 | 98% | 50% | 22% | 7% | 1% | 0% row 4 : 5 y - 8 y | 94 | 91% | 25% | 14% | 5% | 1% | 1% row 5 : 8 y - 16 y | 90 | 62% | 7% | 2% | 0% | 0% | 0% row 6 : males |  |  |  |  |  |  |  row 7 : 12 y - 13 y | 209 | 47% | 7% | 0% | 0% | 0% | 0% row 8 : 13 y - 14 y | 260 | 35% | 4.6% | 0.8% | 0% | 0% | 0% row 9 : 16 y - 19 y (whites) | 50 | 32% | 0% | 0% | 0% | 0% | 0% row 10 : 16 y - 19 y (blacks) | 310 | 46% | 7% | 2.9% | 1.3% | 0% | 0% row 11 : 20 - 30 y (whites) | 285 | 41% | 0% | 0% | 0% | 0% | 0% row 12 : 20 - 30 y (blacks) | 295 | 37% | 0% | 0% | 0% | 0% | 0% row 13 : females |  |  |  |  |  |  |  row 14 : 12 y - 13 y | 174 | 69% | 11% | 1.2% | 0% | 0% | 0% row 15 : 13 y - 14 y | 154 | 52% | 8.4% | 1.4% | 0% | 0% | 0% row 16 : 16 y - 19 y (whites) | 50 | 66% | 0% | 0% | 0% | 0% | 0% row 17 : 16 - 19 y (blacks) | 310 | 73% | 9% | 1.3% | 0.6% | 0% | 0% row 18 : 20 - 30 y (whites) | 280 | 55% | 0% | 0% | 0% | 0% | 0% row 19 : 20 - 30 y (blacks) | 330 | 55% | 2.4% | 1% | 0% | 0% | 0%
what is the first age in which t waves are measured?
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%
1 week