1 week - 1 y : v3 : 27% | [TABLECONTEXT] : [title] : T wave | 1 week - 1 y : v4 : 20% | [TABLECONTEXT] : age_(ethnicity) : 1 week - 1 y
1-week to 1-year olds have 27% of V3 and 20% of V4 in their T wave.